var imageLength = imageArray.length, tempImage
var name1, file1, name2, file2
var folderName = "images_inset/"
var imageType = ".jpg"

function loadImages() {
	if (document.images) {
		for (var i = 0; i<= imageLength-1; i++)  {
			preloadImage = imageArray[i];
			preloadImage = new Image(); preloadImage.src = folderName + imageArray[i] + "_on" + imageType;
			// preloadImage = new Image(); preloadImage.src = folderName + imageArray[i] + "_off" + imageType;
		}
	}
}

function imageOn(nameImage1, fileImage1, nameImage2, fileImage2) {
	if (document.images) { 
		name1=nameImage1; file1=fileImage1; name2=nameImage2; file2=fileImage2;
     	if(nameImage1 > ''){  
			document[nameImage1].src = folderName+fileImage1+"_on"+imageType;
		}
		if(nameImage2 > ''){
			document[nameImage2].src = folderName+fileImage2+"_on"+imageType;
		}
	}
}


function imageOff(returnoriginal) {
	if (document.images) { 
		if (returnoriginal) {
			document[name1].src = folderName+imageOriginal+"_off"+imageType;
		}
		else {
     		if(name1 > '')  {
				document[name1].src = folderName+file1+"_on"+imageType;
			}
			if(name2 > '')   {
				document[name2].src = folderName+file2+"_on"+imageType;
			}
		}
	}
}