function v_q0109()
{
	var flag=false;
	if(isNumeric(age=document.f_q0154.q01.value))
	{
		if( parseInt(age) < 18 || parseInt(age) > 120)
		{
			alert("You have entered an invalid age");
			flag=true;
		}
	}
	else
	{
		alert("You have entered illegal characters in age Question 1");
		flag=true;
	}
	if(!document.f_q0154.q02[0].checked && !document.f_q0154.q02[1].checked)
	{
		alert("Please select the Gender Question 2");
		flag=true;
	}	
	if(document.f_q0154.q04a.value==null || document.f_q0154.q04a.value.length==0)   
	{
		alert("Please enter the Highest Degree Earned -- Question 4");
		flag=true;
	}
	else if(document.f_q0154.q04a.value.length>15)   
	{
		alert("Your answer for Question 4a must be less than 15 characters");
		flag=true;
	}
	if(document.f_q0154.q04b.value==null || document.f_q0154.q04b.value.length==0) 
	{
		alert("Invalid entry in Date Field of your Highest Degree earned Question 4");
		flag=true;
	}
	else if(isDate(document.f_q0154.q04b.value) == false)
	{
    		flag = true;
	}
	if(document.f_q0154.q05.value==null  || document.f_q0154.q05.value.length==0)
	{
		alert("Invalid entry in Teaching Certifications Question 5");
		flag=true;
	}
	else if(document.f_q0154.q05.value.length>45)   
	{
		alert("Your answer for Question 5 must be less than 45 characters");
		flag=true;
	}
	if(isNumeric(document.f_q0154.q06.value))
	{
		a=document.f_q0154.q06.value
		if( parseInt(a) < 0 || parseInt(a) > 70)
		{
			alert("Please enter a valid experience in Question 6 between 0 and 70");
			flag=true;
		}
	}
	else
	{
		alert("You have entered non numeric characters in Question 6");
		flag=true;
	}
	if(isNumeric(document.f_q0154.q07.value))
	{
		a=document.f_q0154.q07.value
		if( parseInt(a) < 0 || parseInt(a) > 70)
		{
			alert("Please enter a valid experience in Question 7 between 0 and 70");
			flag=true;
		}
	}
	else
	{
		alert("You have entered non numeric characters in Question 7");
		flag=true;
	}
	if(document.f_q0154.q08a.value==null  || document.f_q0154.q08a.value.length==0)
	{
		if(document.f_q0154.q08b.value==null || document.f_q0154.q08b.value.length==0)
		{
			alert("Please enter Grade Range or Age Range for Question 8");
			flag=true;
		}
		else if(document.f_q0154.q08b.value.length>10)
		{
			alert("Your answer for Question 8 must be less than 10 characters");
			flag=true;
		}
	}
	else if(document.f_q0154.q08a.value.length>15)   
	{
		alert("Your answer for Question 8 must be less than 10 characters");
		flag=true;
	}
	
	
	if(!document.f_q0154.q09[0].checked && !document.f_q0154.q09[1].checked)               // Code To validate Q 10 -16 or Q 17-25 depending on Choice selected by Q 9
	{
		alert("Please answer Question 09");
		flag=true;
	}
	
	if(document.f_q0154.q09[0].checked && flag==false)
	{
		return v_q1016();
	}
	if(document.f_q0154.q09[1].checked && flag==false)
	{
		return v_q1725();
	}
return false;
}

//////////////////////////////////////////////////////////////
//Function to validate the values entered in Question 10-16
/////////////////////////////////////////////////////////////
function v_q1016()
{
	var flag=false;
	if(!document.f_q0154.q10[0].checked && !document.f_q0154.q10[1].checked && !document.f_q0154.q10[2].checked && !document.f_q0154.q10[3].checked && !document.f_q0154.q10[4].checked )
	{
		alert("Please Answer Question 10");
		flag=true;
	}
	if(!document.f_q0154.q11[0].checked && !document.f_q0154.q11[1].checked && !document.f_q0154.q11[2].checked && !document.f_q0154.q11[3].checked && !document.f_q0154.q11[4].checked )
	{
		alert("Please Answer Question 11");
		flag=true;
	}	
	if(!document.f_q0154.q12[0].checked && !document.f_q0154.q12[1].checked && !document.f_q0154.q12[2].checked && !document.f_q0154.q12[3].checked && !document.f_q0154.q12[4].checked )
	{
		alert("Please Answer Question 12");
		flag=true;
	}	
	if(!document.f_q0154.q13[0].checked && !document.f_q0154.q13[1].checked && !document.f_q0154.q13[2].checked && !document.f_q0154.q13[3].checked && !document.f_q0154.q13[4].checked )
	{
		alert("Please Answer Question 13");
		flag=true;
	}	
	if(document.f_q0154.q14.value.length==0)
	{
		alert("Please Answer Question 14");
		flag=true;
	}	
	else if(document.f_q0154.q14.value.length>450)
	{
		alert("Your answer for Question 14 must be less than 450 characters");
		flag=true;
	}	
	if(document.f_q0154.q15.value.length==0)
	{
		alert("Please Answer Question 15");
		flag=true;
	}	
	else if(document.f_q0154.q15.value.length>450)
	{
		alert("Your answer for Question 15 must be less than 450 characters");
		flag=true;
	}	
	if(document.f_q0154.q16.value.length==0)
	{
		alert("Please Answer Question 16");	
		flag=true;
	}
	else if(document.f_q0154.q16.value.length>450)
	{
		alert("Your answer for Question 16 must be less than 450 characters");
		flag=true;
	}	
	if(flag==false)
	{
		return v_q26();
	}
return false;
}

//////////////////////////////////////////////////////////////
//Function to validate the values entered in Question 17-25
/////////////////////////////////////////////////////////////
function v_q1725()
{
	var flag=false;
	if(!document.f_q0154.q17a[0].checked && !document.f_q0154.q17a[1].checked && !document.f_q0154.q17a[2].checked && !document.f_q0154.q17a[3].checked && !document.f_q0154.q17a[4].checked  && !document.f_q0154.q17a[5].checked)
	{
		alert("Please Answer Question 17a ");
		flag=true;
	}
	if(!document.f_q0154.q17[0].checked && !document.f_q0154.q17[1].checked && !document.f_q0154.q17[2].checked && !document.f_q0154.q17[3].checked && !document.f_q0154.q17[4].checked )
	{
		alert("Please Answer Question 17");
		flag=true;
	}
	if(!document.f_q0154.q18[0].checked && !document.f_q0154.q18[1].checked && !document.f_q0154.q18[2].checked && !document.f_q0154.q18[3].checked && !document.f_q0154.q18[4].checked )
	{
		alert("Please Answer Question 18");
		flag=true;
	}
	if(!document.f_q0154.q19[0].checked && !document.f_q0154.q19[1].checked && !document.f_q0154.q19[2].checked && !document.f_q0154.q19[3].checked && !document.f_q0154.q19[4].checked )
	{	
		alert("Please Answer Question 19");
		flag=true;
	}
	if(!document.f_q0154.q20[0].checked && !document.f_q0154.q20[1].checked && !document.f_q0154.q20[2].checked && !document.f_q0154.q20[3].checked && !document.f_q0154.q20[4].checked )
	{
		alert("Please Answer Question 20");
		flag=true;
	}
	if(document.f_q0154.q21.value.length==0)
	{
		alert("Please Answer Question 21");
		flag=true;
	}
	else if(document.f_q0154.q21.value.length>450)
	{
		alert("Your answer for Question 21 must be less than 450 characters");
		flag=true;
	}	
	if(document.f_q0154.q22.value.length==0)
	{
		alert("Please Answer Question 22");
		flag=true;
	}	
	else if(document.f_q0154.q22.value.length>450)
	{
		alert("Your answer for Question 22 must be less than 450 characters");
		flag=true;
	}	
	if(document.f_q0154.q23.value.length==0)
	{
		alert("Please Answer Question 23");
		flag=true;
	}
	else if(document.f_q0154.q23.value.length>450)
	{
		alert("Your answer for Question 23 must be less than 450 characters");
		flag=true;
	}	
	if(!document.f_q0154.q24[0].checked && !document.f_q0154.q24[1].checked)
	{
		alert("Please Answer Question 24");
		flag=true;
	}	
	if(!document.f_q0154.q25[0].checked && !document.f_q0154.q25[1].checked)
	{
		alert("Please Answer Question 25");	
		flag=true;
	}
	if(flag==false)
		return v_q26();
return false;
}

///////////////////////////////////////////////////////////////////
//Function to validate question 26
//////////////////////////////////////////////////////////////////
function v_q26()
{
	var flag = false;
	if(document.f_q0154.q26[0].checked)
	{	
		return v_q2731();
	}	
	else if(document.f_q0154.q26[1].checked)
	{
		return v_q3233();
	}
return false;
}

//////////////////////////////////////////////////////////////////////
//Function to validate Questions 27 - 31
//////////////////////////////////////////////////////////////////////
function v_q2731()
{
	var flag=false;
	if(!document.f_q0154.q27[0].checked && !document.f_q0154.q27[1].checked && !document.f_q0154.q27[2].checked && !document.f_q0154.q27[3].checked && !document.f_q0154.q27[4].checked)
	{
		alert("Please answer Question 27");
		flag=true;
	}
	if(!document.f_q0154.q28a.checked && !document.f_q0154.q28b.checked && !document.f_q0154.q28c.checked && !document.f_q0154.q28d.checked && !document.f_q0154.q28e.checked && !document.f_q0154.q28f.checked)
	{
		if(!document.f_q0154.q28g.checked	&& !document.f_q0154.q28h.checked && !document.f_q0154.q28i.checked	&& !document.f_q0154.q28j.checked && !document.f_q0154.q28k.checked && !document.f_q0154.q28l.checked)
		{
			if(!document.f_q0154.q28m.checked	&& !document.f_q0154.q28n.checked && !document.f_q0154.q28o.checked	&& !document.f_q0154.q28p.checked && !document.f_q0154.q28q.checked && !document.f_q0154.q28r.checked)
			{
				if(!document.f_q0154.q28s.checked	&& !document.f_q0154.q28t.checked	&& !document.f_q0154.q28u.checked	 &&	!document.f_q0154.q28v.checked && !document.f_q0154.q28w.checked	&& !document.f_q0154.q28x.checked)
				{
					if(!document.f_q0154.q28y.checked	&& !document.f_q0154.q28z.checked	&& !document.f_q0154.q28aa.checked && !document.f_q0154.q28ab.checked && !document.f_q0154.q28ac.checked)		
					{
						alert("Select atleast one option in Question 28");
						flag = true;
					}
				}
			}
		}
	}
	if(document.f_q0154.q29.value.length==0)
	{
		alert("Please Answer Question 29");
		flag=true;
	}
	else if(document.f_q0154.q29.value.length>450)
	{
		alert("Your answer for Question 29 must be less than 450 characters");
		flag=true;
	}	
	if(document.f_q0154.q30.value.length==0)
	{
		alert("Please Answer Question 30");
		flag=true;
	}
	else if(document.f_q0154.q30.value.length>450)
	{
		alert("Your answer for Question 30 must be less than 450 characters");
		flag=true;
	}	
	if(document.f_q0154.q31.value.length==0)
	{
		alert("Please Answer Question 31");
		flag=true;
	}
	else if(document.f_q0154.q31.value.length>450)
	{
		alert("Your answer for Question 31 must be less than 450 characters");
		flag=true;
	}	
	if(flag==false)
		return v_q3233();
return false;
}
//////////////////////////////////////////////////////////////////////
//Function to validate Questions 32 - 33
//////////////////////////////////////////////////////////////////////
function v_q3233()
{
	if(document.f_q0154.q32[0].checked)
		return v_q3444();
	
	else if(document.f_q0154.q32[1].checked)
	{
		if(document.f_q0154.q33[1].checked || document.f_q0154.q33[0].checked) 
			return v_q4554();		
		else 
			alert("Please answer Question 33");
	}
	else
		alert("Please answer Question 32");
return false;
}
//////////////////////////////////////////////////////////////////////
//Function to validate Questions 34 - 44
//////////////////////////////////////////////////////////////////////
function v_q3444()
{
	var flag=false;
	//alert(" in the validation v_q3444()");
	if(!document.f_q0154.q34[0].checked && !document.f_q0154.q34[1].checked)
	{
		alert("Please answer Question 34");
		flag=true;
	}
	if(!document.f_q0154.q35[0].checked && !document.f_q0154.q35[1].checked)
	{
		alert("Please answer Question 35");
		flag=true;
	}
	if(!document.f_q0154.q36[0].checked && !document.f_q0154.q36[1].checked)
	{
		alert("Please answer Question 36");
		flag=true;
	}
	if(!document.f_q0154.q37[0].checked && !document.f_q0154.q37[1].checked)
	{
		alert("Please answer Question 37");
		flag=true;
	}
	if(!document.f_q0154.q38[0].checked && !document.f_q0154.q38[1].checked)
	{
		alert("Please answer Question 38");
		flag=true;
	}
	if(!document.f_q0154.q39[0].checked && !document.f_q0154.q39[1].checked && !document.f_q0154.q39[2].checked && !document.f_q0154.q39[3].checked &&  !document.f_q0154.q39[4].checked)
	{
		alert("Please answer Question 39");
		flag=true;
	}
    if(document.f_q0154.q40a[0].checked)
	{
		if(document.f_q0154.q40at.value.length==0)
		{
			alert("Please answer Question 40a (Text Area)");
			flag=true;
		}
		else if(document.f_q0154.q40at.value.length>15)
		{
			alert("Your answer for Question 40a must be less than 15 characters(Text Area)");
			flag=true;
		}
	}
    else if(!document.f_q0154.q40a[1].checked)
 	{
		alert("Please answer Question 40a");
		flag=true;
	}
    if(document.f_q0154.q40b[0].checked)
	{
		if(document.f_q0154.q40bt.value.length==0)
		{
			alert("Please answer Question 40b (Text Area)");
			flag=true;
		}
		else if(document.f_q0154.q40bt.value.length>15)
		{
			alert("Your answer for Question 40b must be less than 15 characters(Text Area)");
			flag=true;
		}
	}
	else if(!document.f_q0154.q40b[1].checked)
 	{
		alert("Please answer Question 40b");
		flag=true;
	}
    if(document.f_q0154.q40c[0].checked)
	{
		if(document.f_q0154.q40ct.value.length==0)
		{
			alert("Please answer Question 40c (Text Area)");
			flag=true;
		}
		else if(document.f_q0154.q40ct.value.length>15)
		{
			alert("Your answer for Question 40c must be less than 15 characters(Text Area)");
			flag=true;
		}
	}
    else if(!document.f_q0154.q40c[1].checked)
 	{
		alert("Please answer Question 40c");
		flag=true;
	}
	if(!document.f_q0154.q41[0].checked && !document.f_q0154.q41[1].checked)
	{
		alert("Please answer Question 41");
		flag=true;
	}
	if(!document.f_q0154.q42[0].checked && !document.f_q0154.q42[1].checked && !document.f_q0154.q42[2].checked && !document.f_q0154.q42[3].checked &&  !document.f_q0154.q42[4].checked)
	{
		alert("Please answer Question 42");
		flag=true;
	}
	if(!document.f_q0154.q43[0].checked && !document.f_q0154.q43[1].checked && !document.f_q0154.q43[2].checked && !document.f_q0154.q43[3].checked &&  !document.f_q0154.q43[4].checked)
	{
		alert("Please answer Question 43");
		flag=true;
	}
	if(!document.f_q0154.q44[0].checked && !document.f_q0154.q44[1].checked && !document.f_q0154.q44[2].checked && !document.f_q0154.q44[3].checked &&  !document.f_q0154.q44[4].checked)
	{
		alert("Please answer Question 44");
		flag=true;
	}
	if(flag==false)
	{
		return v_q4554();
    }

return false;
}
//////////////////////////////////////////////////////////////////////
//Function to validate Questions 45 -54
//////////////////////////////////////////////////////////////////////
function v_q4554()
{
	var flag= false;
	if(!document.f_q0154.q45a[0].checked && !document.f_q0154.q45a[1].checked && !document.f_q0154.q45a[2].checked && !document.f_q0154.q45a[3].checked && !document.f_q0154.q45a[4].checked)
	{
		alert("Please answer Question 45a");
		flag=true;
	}
	if(!document.f_q0154.q45b[0].checked && !document.f_q0154.q45b[1].checked && !document.f_q0154.q45b[2].checked && !document.f_q0154.q45b[3].checked && !document.f_q0154.q45b[4].checked)
	{
		alert("Please answer Question 45b");
		flag=true;
	}
	if(!document.f_q0154.q45c[0].checked && !document.f_q0154.q45c[1].checked && !document.f_q0154.q45c[2].checked && !document.f_q0154.q45c[3].checked && !document.f_q0154.q45c[4].checked)
	{
		alert("Please answer Question 45c");
		flag=true;
	}
	if(!document.f_q0154.q45d[0].checked && !document.f_q0154.q45d[1].checked && !document.f_q0154.q45d[2].checked && !document.f_q0154.q45d[3].checked && !document.f_q0154.q45d[4].checked)
	{
		alert("Please answer Question 45d");
		flag=true;
	}
	if(!document.f_q0154.q45e[0].checked && !document.f_q0154.q45e[1].checked && !document.f_q0154.q45e[2].checked && !document.f_q0154.q45e[3].checked && !document.f_q0154.q45e[4].checked)
	{
		alert("Please answer Question 45e");
		flag=true;
	}
	if(!document.f_q0154.q45f[0].checked && !document.f_q0154.q45f[1].checked && !document.f_q0154.q45f[2].checked && !document.f_q0154.q45f[3].checked && !document.f_q0154.q45f[4].checked)
	{
		alert("Please answer Question 45f");
		flag=true;
	}
	if(!document.f_q0154.q45g[0].checked && !document.f_q0154.q45g[1].checked && !document.f_q0154.q45g[2].checked && !document.f_q0154.q45g[3].checked && !document.f_q0154.q45g[4].checked)
	{
		alert("Please answer Question 45g");
		flag=true;
	}
	if(!document.f_q0154.q45h[0].checked && !document.f_q0154.q45h[1].checked && !document.f_q0154.q45h[2].checked && !document.f_q0154.q45h[3].checked && !document.f_q0154.q45h[4].checked)
	{
		alert("Please answer Question 45h");
		flag=true;
	}
	if(!document.f_q0154.q45i[0].checked && !document.f_q0154.q45i[1].checked && !document.f_q0154.q45i[2].checked && !document.f_q0154.q45i[3].checked && !document.f_q0154.q45i[4].checked)
	{
		alert("Please answer Question 45i");
		flag=true;
	}
	if(!document.f_q0154.q45j[0].checked && !document.f_q0154.q45j[1].checked && !document.f_q0154.q45j[2].checked && !document.f_q0154.q45j[3].checked && !document.f_q0154.q45j[4].checked)
	{
		alert("Please answer Question 45j");
		flag=true;
	}
	if(!document.f_q0154.q45k[0].checked && !document.f_q0154.q45k[1].checked && !document.f_q0154.q45k[2].checked && !document.f_q0154.q45k[3].checked && !document.f_q0154.q45k[4].checked)
	{
		alert("Please answer Question 45k");
		flag=true;
	}	
	if(!document.f_q0154.q45l[0].checked && !document.f_q0154.q45l[1].checked && !document.f_q0154.q45l[2].checked && !document.f_q0154.q45l[3].checked && !document.f_q0154.q45l[4].checked)
	{
		alert("Please answer Question 45l");
		flag=true;
	}
	if(!document.f_q0154.q45m[0].checked && !document.f_q0154.q45m[1].checked && !document.f_q0154.q45m[2].checked && !document.f_q0154.q45m[3].checked && !document.f_q0154.q45m[4].checked)
	{
		alert("Please answer Question 45m");
		flag=true;
	}
	if(!document.f_q0154.q45n[0].checked && !document.f_q0154.q45n[1].checked && !document.f_q0154.q45n[2].checked && !document.f_q0154.q45n[3].checked && !document.f_q0154.q45n[4].checked)
	{
		alert("Please answer Question 45n");
		flag=true;
	}
	if(!document.f_q0154.q45o[0].checked && !document.f_q0154.q45o[1].checked && !document.f_q0154.q45o[2].checked && !document.f_q0154.q45o[3].checked && !document.f_q0154.q45o[4].checked)
	{
		alert("Please answer Question 45o");
		flag=true;
	}
	if(!document.f_q0154.q45p[0].checked && !document.f_q0154.q45p[1].checked && !document.f_q0154.q45p[2].checked && !document.f_q0154.q45p[3].checked && !document.f_q0154.q45p[4].checked)
	{
		alert("Please answer Question 45p");
		flag=true;
	}
	if(!document.f_q0154.q45q[0].checked && !document.f_q0154.q45q[1].checked && !document.f_q0154.q45q[2].checked && !document.f_q0154.q45q[3].checked && !document.f_q0154.q45q[4].checked)
	{
		alert("Please answer Question 45q");
		flag=true;
	}
	if(!document.f_q0154.q45r[0].checked && !document.f_q0154.q45r[1].checked && !document.f_q0154.q45r[2].checked && !document.f_q0154.q45r[3].checked && !document.f_q0154.q45r[4].checked)
	{
		alert("Please answer Question 45r");
		flag=true;
	}
	if(!document.f_q0154.q45s[0].checked && !document.f_q0154.q45s[1].checked && !document.f_q0154.q45s[2].checked && !document.f_q0154.q45s[3].checked && !document.f_q0154.q45s[4].checked)
	{
		alert("Please answer Question 45s");
		flag=true;
	}
	if(!document.f_q0154.q45t[0].checked && !document.f_q0154.q45t[1].checked && !document.f_q0154.q45t[2].checked && !document.f_q0154.q45t[3].checked && !document.f_q0154.q45t[4].checked)
	{
		alert("Please answer Question 45t");
		flag=true;
	}
	if(!document.f_q0154.q45u[0].checked && !document.f_q0154.q45u[1].checked && !document.f_q0154.q45u[2].checked && !document.f_q0154.q45u[3].checked && !document.f_q0154.q45u[4].checked)
	{
		alert("Please answer Question 45u");
		flag=true;
	}
	if(!document.f_q0154.q45v[0].checked && !document.f_q0154.q45v[1].checked && !document.f_q0154.q45v[2].checked && !document.f_q0154.q45v[3].checked && !document.f_q0154.q45v[4].checked)
	{
		alert("Please answer Question 45v");
		flag=true;
	}
	if(document.f_q0154.q46.value.length==0)
	{
		alert("Please answer Question 46");
		flag=true;
	}
	else if(document.f_q0154.q46.value.length>450)
	{
		alert("Your answer for Question 46 must be less than 450 characters");
		flag=true;
	}
	if(!document.f_q0154.q47[0].checked && !document.f_q0154.q47[1].checked)
	{
		alert("Please answer Question 47");
		flag=true;
	}
	if(!document.f_q0154.q48[0].checked && !document.f_q0154.q48[1].checked)
	{
		alert("Please answer Question 48");
		flag=true;
	}
	if(!document.f_q0154.q49[0].checked && !document.f_q0154.q49[1].checked)
	{
		alert("Please answer Question 49");
		flag=true;
	}
	if(!document.f_q0154.q50[0].checked && !document.f_q0154.q50[1].checked)
	{
		alert("Please answer Question 50");
		flag=true;
	}
	if(!document.f_q0154.q51[0].checked && !document.f_q0154.q51[1].checked)
	{
		alert("Please answer Question 51");
		flag=true;
	}
	if(document.f_q0154.q52.value.length==0 || document.f_q0154.q52.value == null)
	{
		alert("Please answer Question 52");
		flag=true;
	}
	else if(document.f_q0154.q52.value.length>450)
	{
		alert("Your answer for Question 52 must be less than 450 characters");
		flag=true;
	}
	if(document.f_q0154.q53.value.length==0)
	{
		alert("Please answer Question 53");
		flag=true;
	}
	else if(document.f_q0154.q53.value.length>450)
	{
		alert("Your answer for Question 53 must be less than 450 characters");
		flag=true;
	}
	if(!document.f_q0154.q54[0].checked && !document.f_q0154.q54[1].checked && !document.f_q0154.q54[2].checked && !document.f_q0154.q54[3].checked && !document.f_q0154.q54[4].checked)
	{
		alert("Please answer Question 54");
		flag=true;
	}
	if(flag==false)
	{
		//Enterdatabase();
		return true;
		alert("Your data is gonna be entered in Form");
	}
return false;
}
//////////////////////////////////////////////////////////////////////
//Function to check whether a string is Numeric or not
//////////////////////////////////////////////////////////////////////
function isNumeric(sText)
{
   var ValidChars = "0123456789";
   var IsNumber=true;
   var Char;

   if(sText.length==0)
	IsNumber=false;

   for (i = 0; i < sText.length && IsNumber == true; i++) 
      { 
      Char = sText.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) 
         {
         IsNumber = false;
         }
      }
   return IsNumber;
}


//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////


function isInteger(s){
	var i;
    for (i = 0; i < s.length; i++){   
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    return true;
}


function stripCharsInBag(s, bag){
	var i;
    var returnString = "";
    for (i = 0; i < s.length; i++){   
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function daysInFebruary (year){
	// February has 29 days in any year evenly divisible by four,
    // EXCEPT for centurial years which are not also divisible by 400.
    return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
}

function DaysArray(n) {
	for (var i = 1; i <= n; i++) {
		this[i] = 31
		if (i==4 || i==6 || i==9 || i==11) {this[i] = 30}
		if (i==2) {this[i] = 29}
   } 
   return this
}

function isDate(dtStr)
{
  var dtCh= "/";
	var minYear=1900;
	var maxYear=2100;
	var daysInMonth = DaysArray(12)
	var pos1=dtStr.indexOf(dtCh)
	var pos2=dtStr.indexOf(dtCh,pos1+1)
	var strMonth=dtStr.substring(0,pos1)
	var strDay=dtStr.substring(pos1+1,pos2)
	var strYear=dtStr.substring(pos2+1)
	strYr=strYear
	if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1)
	if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1)
	for (var i = 1; i <= 3; i++) 
	{
		if (strYr.charAt(0)=="0" && strYr.length>1) strYr=strYr.substring(1)
	}
	month=parseInt(strMonth)
	day=parseInt(strDay)
	year=parseInt(strYr)
	if (pos1==-1 || pos2==-1)
	{
		alert("The date format should be : mm/dd/yyyy in Question 4")
		return false
	}
	if (strMonth.length<1 || month<1 || month>12)
	{
		alert("Please enter a valid month in Question 4")
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month])
	{
		alert("Please enter a valid day in Question 4")
		return false
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear)
	{
		alert("In Question 4 -- Please enter a valid 4 digit year between "+minYear+" and "+maxYear)
		return false
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false)
	{
		alert("Please enter a valid date in Question 4");
		return false
	}
return true
}