<!--
//part where the images are preloaded

	if (document.images)
        {
                backNormal = new Image;
                backNormal.src = "images/back.gif";
                backChanged = new Image;
                backChanged.src = "images/back_on.gif";  
				
				moreNormal = new Image;
                moreNormal.src = "images/more.gif";
                moreChanged = new Image;
                moreChanged.src = "images/more_on.gif";       
			   	
        }

//function which changes the image

function ChangeTheImage(imagesName)
        {
                if (document.images)
                {
                        ChangedImage = eval(imagesName + "Changed.src");
                        document[imagesName].src = ChangedImage;
                }
        }
        
 //function which changes the image back again

function ChangeItBackAgain(imagesName)
        {
                if (document.images)
                {
                        NormalImage = eval(imagesName + "Normal.src");
                        document[imagesName].src = NormalImage;
                }
        }
// -->