// JavaScript Document
userAgent = window.navigator.userAgent;
browserVers = parseInt(userAgent.charAt(userAgent.indexOf("/")+1),10);
function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function IsNumeric(strString,name)
//  check for valid numeric strings	
{
strString.value = strString.value.replace(" ","");
var blnResult = true;

  if ( isNaN(strString.value) || strString.value.length < 1 )
	 {
	 blnResult = false;
	 strString.value = '0';
	 window.alert('Please Enter a number for criteria \'' + name + '\'');
	 }

return blnResult;
}
// -->

function findElement(n,ly) {
	if (browserVers < 4)		return document[n];
	var curDoc = ly ? ly.document : document;
	var elem = curDoc[n];
	if (!elem) {
		for (var i=0;i<curDoc.layers.length;i++) {
			elem = findElement(n,curDoc.layers[i]);
			if (elem) return elem;
		}
	}
	return elem;
}

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

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		primary_post_over = newImage("images/primary_post-over.jpg");
		_primary_faq_over = newImage("images/primary_faq-over.jpg");
		primary_about_over = newImage("images/primary_about-over.jpg");
		primary_contact_over = newImage("images/primary_contact-over.jpg");
		step_details_over = newImage("images/step_details-over.jpg");
		step_features_over = newImage("images/step_features-over.jpg");
		step_photos_over = newImage("images/step_photos-over.jpg");
		step_morephotos_over = newImage("images/step_morephotos-over.jpg");
		step_publish_over = newImage("images/step_publish-over.jpg");
		preloadFlag = true;
	}
}
preloadImages();