function validation()
{
	if(document.contactfrm.name.value=="")
	{
		alert("Please enter your name");
		document.contactfrm.name.focus();
		return false;
	}
	
if (window.document.contactfrm.email.value.indexOf('.')=="-1" || window.document.contactfrm.email.value.indexOf('@')=="-1")
 {
 alert("Please enter your Your Email address!")
 window.document.contactfrm.email.focus();
 return false;
 }
	
	if(document.contactfrm.phone.value=="")
	{
		alert("Please enter your phone number");
		document.contactfrm.phone.focus();
		return false;
	}
	
		if(document.contactfrm.comments.value=="")
	{
		alert("Please write few words");
		document.contactfrm.comments.focus();
		return false;
	}
}