// JavaScript Document
var myForm;

function checkform (form) {
	myForm = document.getElementById(form);
	
	if(myForm.txt_name.value=="" || myForm.txt_name.value=="your name") {
		myForm.txt_name.className = "formAlert";
	}
	if(myForm.txt_subject.value=="" || myForm.txt_subject.value=="subject") {
		myForm.txt_subject.className = "formAlert";
	}
	if(myForm.txt_message.value=="" || myForm.txt_message.value=="message") {
		myForm.txt_message.className = "formAlert";
	}
	validateEmail(myForm.txt_email);
	

////////////////////////////////////////////////////////////////////////////////
	
	if(myForm.txt_name.value!="your name") {
		myForm.txt_name.className = "formReg";
	}
	if(myForm.txt_subject.value!="subject") {
		myForm.txt_subject.className = "formReg";
	}
	if(myForm.txt_message.value!="your message") {
		myForm.txt_message.className = "formReg";
	}
	
	// These come last in order to allow for full validation before returning false
	if(myForm.txt_name.value=="" || myForm.txt_name.value=="your name") {
		return false;
	}
	if(myForm.txt_subject.value=="" || myForm.txt_subject.value=="subject") {
		return false;
	}
	if(myForm.txt_message.value=="" || myForm.txt_message.value=="your message") {
		return false;
	}
	sendData('scripts/send.php', '3', 'form');
}

// Validate Email Address
function validateEmail(field) {
	with (field) {
		var apos=value.indexOf("@");
		var dotpos=value.lastIndexOf(".");
		if (apos<1||dotpos-apos<2) {
			myForm.txt_email.className = "formAlert";
			return false;
		}else{
			myForm.txt_email.className = "formReg";
			return true;
		}
	}
}