function check_contact() {
		if(document.contact.name.value == "") {
			alert("Please insert Name");
			document.contact.name.focus();
			return false;
		}
		
		if(document.contact.email.value == "") {
			alert("Please insert Email");
			document.contact.email.focus();
			return false;
		}
		
		if((document.contact.email.value.indexOf('@') == -1) || (document.contact.email.value.indexOf('.') == -1)) {
			alert("Invalid Email");
			document.contact.email.focus();
			return false;
		}
		
		if(document.contact.subject.value == "") {
			alert("Please insert Subject");
			document.contact.subject.focus();
			return false;
		}
		
		if(document.contact.message.value == "") {
			alert("Please insert Message");
			document.contact.message.focus();
			return false;
		}else
			return true;
	}