function picChange()
{
number = Math.floor(Math.random()*4)

if (number==0) {
	document.write('<img src="images/Home1.jpg" alt="" height="155" width="600" />')
	}
	if (number==1){
document.write('<img src="images/Home2.jpg" alt="" height="155" width="600" />')
	}
	if (number==2){
document.write('<img src="images/Home3.jpg" alt="" height="155" width="600" />')
	}
	if (number==3){
document.write('<img src="images/Home4.jpg" alt="" height="155" width="600" />')
	}
}