//Checks if the supplied fields are empty and highlights field in red if so
function ContactFormValidation (sFieldIDs) {
	var i;
	var arrFields = sFieldIDs.split(":");
	var currField;
	var borderstyle = "1px solid #000000";
	var bgcolorstyle = "#759DA9";
	var bSubmitForm = true;
	var email= /^[\w-\.]+\@[\w\.-]+\.[a-zA-Z]{2,4}$/;
	
	for (i = 0; i < arrFields.length; i++) {
		// Get form field reference
		currField = document.getElementById(arrFields[i]);
		
		// Check for null in the case of a non existing html element
		if (currField != null) {
			// Set fields style to default
			SetBorderStyle(currField, "default");
			
			// If field is empty then set the style to red background and border
			if (currField.name.toLowerCase() == "email" && (!(email.test(currField.value)))) {
				SetBorderStyle(currField, "error");
				bSubmitForm = false;
			}
			else if (currField.value == "") {
				SetBorderStyle(currField, "error");
				bSubmitForm = false;
			}
		}
	}
	return bSubmitForm;
}
function SetBorderStyle(fldFormField, fDefaultOrError){
	if (fDefaultOrError.toLowerCase() == "error") {
		borderstyle = "1px solid #ea172a";
		bgcolorstyle = "#ffc0c0";
	}
	else if (fDefaultOrError.toLowerCase() == "default") {
		borderstyle = "1px solid #a7a6aa";
		bgcolorstyle = "#FFFFFF";
	}
	
	fldFormField.style.border = borderstyle;
	fldFormField.style.background = bgcolorstyle;
}


sfHover = function() {
	var sfEls = document.getElementById("nav").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);

function printCoupons(cimage, alt) {
	
	   var win = window.open('coupon-popup.php', 'coupon_popup' , 'resizable=yes,...');
        if (win) {
                win.document.writeln('<img src="'+cimage+'" alt="'+alt+'">');
				win.document.writeln('<script type="text/javascript">');
				win.document.writeln('var _gaq = _gaq || [];');
				win.document.writeln('_gaq.push([\'_trackPageview\']);');
				win.document.writeln('(function() {');
				win.document.writeln('var ga = document.createElement(\'script\'); ga.type = \'text/javascript\'; ga.async = true;');
				win.document.writeln('ga.src = (\'https:\' == document.location.protocol ? \'https://ssl\' : \'http://www\') + \'.google-analytics.com/ga.js\';');
				win.document.writeln('var s = document.getElementsByTagName(\'script\')[0]; s.parentNode.insertBefore(ga, s);');
				win.document.writeln('})();');
				win.document.writeln('</script>');
                win.document.close();
                win.focus();
                win.print();
		}
		
	}