// JavaScript Document

	var email = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z])+$/;
	
	function trim(str)
	{
	   return str.replace(/^\s*|\s*$/g,"");
	}

var cnt=0;
	
	function validate_contact()
	{
		document.contact_form.name.value=trim(document.contact_form.name.value);
		if(document.contact_form.name.value=="")
		{
			alert("Oops...Name please");
			document.contact_form.name.focus();
			return false;
		}
		document.contact_form.email.value=trim(document.contact_form.email.value);
		if(document.contact_form.email.value=="")
		{
			cnt=cnt+1;
			alert("Email should not be blank");
			document.contact_form.email.focus();
			return false;
		}
		if(!email.test(document.contact_form.email.value))
		{
			cnt=cnt+1;

			if(cnt>1)
				alert("Oh No..Not again...Email should be valid!");
			else
				alert("Please enter valid email");
			document.contact_form.email.focus();
			return false;
		}	
		document.contact_form.message.value=trim(document.contact_form.message.value);
		if(document.contact_form.message.value=="")
		{
			alert("Message should not be blank");
			document.contact_form.message.focus();
			return false;
		}
	document.contact_form.submit();
}