// PRELOAD IMAGES
function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		btnHome_over = newImage("images/btnHome-over.jpg");
		btnAboutUs_over = newImage("images/btnAboutUs-over.jpg");
		btnFeatures_over = newImage("images/btnFeatures-over.jpg");
		btnSignUp_over = newImage("images/btnSignUp-over.jpg");
		btnDealerLogin_over = newImage("images/btnDealerLogin-over.jpg");
		btnContactUs_over = newImage("images/btnContactUs-over.jpg");
		preloadFlag = true;
	}
}

sfFocus = function() {
	var sfEls = document.getElementsByTagName("INPUT");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onfocus=function() {
			this.className+=" sffocus";
		}
		sfEls[i].onblur=function() {
			this.className=this.className.replace(new RegExp(" sffocus\\b"), "");
		}
	}
}


function preLoadData() {
preloadImages();
if (window.attachEvent) window.attachEvent("onload", sfFocus);
}

// ON LOAD
window.onload = function() {
	preLoadData()
}