function validate()
{
	if (document.contact_form.name.value == ""){
		alert( "Please input you name" );
		document.contact_form.name.focus();
		return false;			
	}
	else if (!(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test( document.contact_form.email.value ))){	
		alert( "Please input a valid email address \r\nExample: johndoe@host.com" );
		document.contact_form.email.focus();
		document.contact_form.email.value = "";		
		return false;
	}
	
}
// JavaScript Document