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) {

		homepage_o = newImage("/images/homepage_over.gif");
		about_o = newImage("/images/about_over.gif");
		involved_o = newImage("/images/involved_over.gif");
		learning_o = newImage("/images/learning_over.gif");
		affairs_o = newImage("/images/affairs_over.gif");
		contact_o = newImage("/images/contact_over.gif");
		legal_o = newImage("/images/legal_over.gif");
		sitemap_o = newImage("/images/sitemap_over.gif");
		
		preloadFlag = true;
		
	}
	
}