function contact_validate()
{
	
	if(document.contact.email.value == "")
	{
		alert("Please Enter Your Email Id");
		document.contact.email.focus();
		return false;
	}  
	var re = /^[_\.0-9a-z-]+\@([0-9a-z][0-9a-z-]*\.)+([a-z]{2,4})+$/i
 	 if (!document.contact.email.value.match(re)) 
  	{
		alert('Please Enter a Valid Email id')
		document.contact.email.focus();
		return false;
	}
	if(document.contact.mobile.value == "")
	{
	alert("Please Specify the Mobile No");
	document.contact.mobile.focus();
	return false;
	}
	
	if(document.contact.services.value == "Select")
	{
	alert("Please Specify the Services");
	document.contact.services.focus();
	return false;
	}
		
	if(document.contact.queries.value == "")
	{
	alert("Please write your queries here");
	document.contact.queries.focus();
	return false;
	}
		  
}