v_fields = new Array('sender_name','sender_email','sender_subject','sender_message');alert_on = true;thanks_on = true; thanks_message = "Thank you. Your message has been sent.";
	function validateForm(){

		var err = "";

		for(i=0;i<v_fields.length;i++){

			var _thisfield = eval("document.contact."+v_fields[i]+".value");

			if(v_fields[i] == "sender_name"){
				if(!isAlpha(_thisfield)){ err += "Please enter a valid name\n";}
			}else if(v_fields[i] == "sender_subject"){
				if(!isAlpha(_thisfield)){ err += "Please enter a valid subject\n";}
			}else if(v_fields[i] == "sender_email"){
				if(!isEmail(_thisfield)){ err += "Please enter a valid email address\n";}
			}else if(v_fields[i] == "sender_url"){
				if(!isURL(_thisfield)){ err += "Please enter a valid URL\n";}
			}else if(v_fields[i] == "sender_phone"){
				if(!isPhone(_thisfield)){ err += "Please enter a valid phone number\n";}
			}else if(v_fields[i] == "sender_message"){
				if(!isText(_thisfield)){ err += "Please enter a valid message\n";}
			}

		}

		if(err != ""){
			if(alert_on){
				alert("The following errors have occurred\n"+err);
			}else{
				showErrors(err);
			}

			return false;

		}

		return true;
	}

	function showErrors(str){
		var err = str.replace(/\n/g,"<br />");
		document.getElementById("form_errors").innerHTML = err;
		document.getElementById("form_errors").style.display = "block";

	}

	function showThanks(str){
		var tym = str.replace(/\n/g,"<br />");
		document.getElementById("form_thanks").innerHTML = tym;
		document.getElementById("form_thanks").style.display = "block";

	}

	function isEmail(str){
	if(str == "") return false;
	var regex = /^[^\s()<>@,;:\/]+@\w[\w\.-]+\.[a-z]{2,}$/i
	return regex.test(str);
	}

	function isText(str){
		if(str == "") return false;
		return true;
	}

	function isURL(str){
		var regex = /[a-zA-Z0-9\.\/:]+/
		return regex.test(str);
	}

	function isPhone(str){
		var regex = /^\(?[2-9]\d{2}[\)\.-]?\s?\d{3}[\s\.-]?\d{4}$/
		return regex.test(str);
	}

	function isAddress(str){
		var regex = /[^a-zA-Z0-9\#\.]/g
		if (regex.test(str)) return true;
		return false;
	}

	function isZip(str){
		var regex = /\d{5,}/;
		if(regex.test(str)) return true;
		return false;
	}


	function isAlpha(str){
		var regex = /[a-zA-Z]/g
		if (regex.test(str)) return true;
		return false;
	}

	function isAlphaNumeric(str){
		var regex = /[^a-zA-Z0-9]/g
		if (regex.test(str)) return false;
		return true;
	}