//validation in contact
function validation()
{
var dm=document.contact;
var str = dm.elements["txtemail"].value;
//var reg1 = /(@.*@)|(\.\.)|(@\.)|(\.@)|(^\.)/; // not valid
var reg1 = /^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/;

if(dm.txtcontact.value=="")
		{
			alert('Contact Person field should not be empty!');
			dm.txtcontact.focus();
			return false;
		}
if(dm.txtemail.value=="")
		{
			alert('E-Mail field should not be empty!');
			dm.txtemail.focus();
			return false;
		}
if (reg1.test(str)){ // if syntax is valid
	   		//return true;
		}else{
			alert ("Please enter a proper email address!");
			dm.txtemail.focus();
			return false;
		}	
if(dm.txtcno.value=="")
	{
		alert("Contact Number field should not be empty!");
		document.contact.txtcno.focus();		
		return false;
	}
msg = "Do you wish to proceed? ";
	if (confirm(msg))	
		return true;	
	else
		return false;   
}