function contactvalidate()
{

	if(document.contact_us.name.value=="")
	{
		document.getElementById('vname').style.display="block";
		return false;
	}
	else
		document.getElementById('vname').style.display="none";
		

	if(document.contact_us.email.value=="")
	{
		document.getElementById('vemail').style.display="block";
		return false;
	}
	else
		{
			document.getElementById('vemail').style.display="none";
				
			 
			var str=document.contact_us.email.value;
			var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i;
			if (!filter.test(str)){
				//document.getElementById('vemail').style.display = 'none';
				document.getElementById('ivemail').style.display = 'block';	
				return false;
				}
			else{
					document.getElementById('ivemail').style.display = 'none';	
				}
		
		}

	/*if(document.contact_us.address.value=="")
	{
		document.getElementById('vaddress').style.display="block";
		return false;
	}
	else
		document.getElementById('vaddress').style.display="none";

	if(document.contact_us.city.value=="")
	{
		document.getElementById('vcity').style.display="block";
		return false;
	}
	else
		document.getElementById('vcity').style.display="none";

	if(document.contact_us.state.value=="")
	{
		document.getElementById('vstate').style.display="block";
		return false;
	}
	else
		document.getElementById('vstate').style.display="none";

	if(document.contact_us.zip.value=="")
	{
		document.getElementById('vzip').style.display="block";
		return false;
	}
	else
		document.getElementById('vzip').style.display="none";

	if(document.contact_us.country.value=="")
	{
		document.getElementById('vcountry').style.display="block";
		return false;
	}
	else
		document.getElementById('vcountry').style.display="none";
		*/

	if(document.contact_us.mobile.value=="")
	{
		document.getElementById('vmobile').style.display="block";
		return false;
	}
	else
		document.getElementById('vmobile').style.display="none";

	if(document.contact_us.subject.value=="")
	{
		document.getElementById('vsubject').style.display="block";
		return false;
	}
	else
		document.getElementById('vsubject').style.display="none";

	if(document.contact_us.message.value=="")
	{
		document.getElementById('vmessage').style.display="block";
		return false;
	}
	else
		document.getElementById('vmessage').style.display="none";

}