function validateEmail(form1){      
       var emailPattern = /^[a-zA-Z0-9._-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4}$/;
       return emailPattern.test(form1); 
   }
   function chkform1(form1)
   {
		if(document.form1.fname.value=="")
		{
		alert("Please enter your First name");
		document.form1.fname.focus();
		return false;
		}
		if(document.form1.lname.value=="")
		{
		alert("Please enter your last name");
		document.form1.lname.focus();
		return false;
		}
			
		
		if(document.form1.comments.value=="")
		{
		alert("Please enter your Comments");
		document.form1.comments.focus();
		return false;
		}
		
		
		
    return true;
   }