function validateField(fieldName,fieldLabel,fieldType,isRequired) {
	var field = document.getElementById(fieldName);
	var fieldValue = field.value;
	var error = "no";
	if(isRequired == "r" && fieldValue.length < 1) {
		error = "Please fill in "+fieldLabel+" field";
	}
	if(fieldValue.length > 0) {
	switch(fieldType) {
		case "url":
			var RegExp = /^(([\w]+:)?\/\/)?(([\d\w]|%[a-fA-f\d]{2,2})+(:([\d\w]|%[a-fA-f\d]{2,2})+)?@)?([\d\w][-\d\w]{0,253}[\d\w]\.)+[\w]{2,4}(:[\d]+)?(\/([-+_~.\d\w]|%[a-fA-f\d]{2,2})*)*(\?(&?([-+_~.\d\w]|%[a-fA-f\d]{2,2})=?)*)?(#([-+_~.\d\w]|%[a-fA-f\d]{2,2})*)?$/; 
			if(!RegExp.test(fieldValue)){ 
				error = "Please enter a valid URL in to the "+fieldLabel+" field.";
			}
		break;
		case "email":
			var RegExp = /^((([a-z]|[A-Z]|[0-9]|!|#|$|%|&|'|\*|\+|\-|\/|=|\?|\^|_|`|\{|\||\}|~)+(\.([a-z]|[0-9]|!|#|$|%|&|'|\*|\+|\-|\/|=|\?|\^|_|`|\{|\||\}|~)+)*)@((((([a-z]|[0-9])([a-z]|[0-9]|\-){0,61}([a-z]|[0-9])\.))*([a-z]|[0-9])([a-z]|[0-9]|\-){0,61}([a-z]|[0-9])\.)[\w]{2,4}|(((([0-9]){1,3}\.){3}([0-9]){1,3}))|(\[((([0-9]){1,3}\.){3}([0-9]){1,3})\])))$/ 
			if(!RegExp.test(fieldValue)){ 
				 error = "Please enter a valid email address in to the "+fieldLabel+" field.";
			}
		break;
		case "date1":
		break;
		case "password":
			var ok = "yes";
			var minLength = 6;
			var maxLength = 20;
			var valid = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
			var temp;
			var pw = fieldValue;
			var length = fieldValue.length;
			for (var j=0; j<length; j++) {
				temp = "" + pw.substring(j, j+1);
				if (valid.indexOf(temp) == "-1") ok = "no";
			}
			if (length != 0 && (length < minLength || length > maxLength)) { ok = "no"; }
			if (ok != "yes") {
				error = "Please enter a valid Password\nPassword has to contain between 6 to 20 letters or numbers only.";
			}
		break;
		case "percentage":
			var ok = "yes";
			var minLength = 2;
			var maxLength = 4;
			var valid = "0123456789.%";
			var temp;
			var pw = fieldValue;
			var length = fieldValue.length;
			for (var j=0; j<length; j++) {
				temp = "" + pw.substring(j, j+1);
				if (valid.indexOf(temp) == "-1") ok = "no";
			}
			if (length != 0 && (length < minLength || length > maxLength)) { ok = "no"; }
			if (ok != "yes") {
				error = "Please enter a valid "+fieldLabel+" Ex. 10%, 0.5%";
			}
		break;
		case "pageurl":
			var ok = "yes";
			var valid = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789 ";
			var temp;
			var pw = fieldValue;
			var length = fieldValue.length;
			for (var j=0; j<length; j++) {
				temp = "" + pw.substring(j, j+1);
				if (valid.indexOf(temp) == "-1") ok = "no";
			}
			if (ok != "yes") {
				error = "Only letters and numbers are allowed in Buainess Name field";
			}
		break;
		case "lettersonly":
			var filteredValues = "#$%^&*<>?";
			for (i = 0; i < fieldValue.length; i++) {
				var c = fieldValue.charAt(i);
				if (filteredValues.indexOf(c)!=-1) {
					error = "Please do not enter special characters in to the "+fieldLabel+" field.";
				}
			}
		break;
		case "image":
			error = "Invalid file type";
			extArray = new Array(".jpg",".gif",".png",".jpeg");
			while (fieldValue.indexOf("\\") != -1)
			fieldValue = fieldValue.slice(fieldValue.indexOf("\\") + 1);
			var ext = fieldValue.slice(fieldValue.indexOf(".")).toLowerCase();
			for (var i = 0; i < extArray.length; i++) {
				if (extArray[i] == ext) { error = "no"; }
			}
		break;
		}
	}
	if(error != "no"){
		alert(error);
		field.focus();
		return false;
	} else {
		return true;
	}
}
function formatInput(object) {
	var string = object.value;
	var text = string.replace(/(^\s*|\s*$)/,'');
	object.value = text;
}
function forgotPass() {
	var user = document.getElementById('userName').value;
	if(user.length < 1) {
		document.getElementById('userName').focus();
		alert("Please fill in User Name field");
		return false;
	}
	var qstring = "action=ForgotPass&txtUser="+user;
	parent.xmlhttpPost('coupon_promotion/ajax/processAjax.php',qstring,parent.confirmForgotPass,'Generating Password Reset Link.<br>Please wait...');
}