function formValidation(form1)
{
	
	
    if(!isNaN(document.form1.name.value))
		{
		alert("Enter your Name");
		document.form1.name.focus();
		return false;
		}
		
		
	var remail=/^[a-zA-Z0-9_\.\-]+@[a-zA-Z0-9\-]+\.[a-zA-Z0-9\-\.]+$/;   // Regular expression to check email format
			if(!remail.test(document.form1.email.value))
				{
				alert("ENTER VALID E-MAIL ADDRESS!!!");
				document.form1.email.focus();
				return false;
				}
				
				
	if(isNaN(document.form1.telephone.value))
		{
		alert("ENTER VALID PHONE NO!!!");
		document.form1.telephone.focus();
		return false;
		}
		
		
	if(form1.address.value=='')
		{
		alert("Enter your Address");
		form1.address.focus();
		return false;
		}
		
		
	if(form1.comments.value=='')
		{
		alert("Enter your Comments");
		form1.comments.focus();
		return false;
		}
		
		
	return true;
}