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];
		}
	}
}

function toggleObjectClass(id,class1,class2)
{

	var oElem = getObject(id);
	
	if(oElem.className == class1)
	{
		oElem.className = class2
	}
	else
	{
		oElem.className = class1
	}
}


/*
getObject - Get the object for a given element, required for cross-browser compatability
*/

function getObject(objectId) {
  // checkW3C DOM, then MSIE 4, then NN 4.
  //
 
  if(document.getElementById && document.getElementById(objectId)) {
	return document.getElementById(objectId);
   }
   else if (document.all && document.all(objectId)) {  
	return document.all(objectId);
   } 
   else if (document.layers && document.layers[objectId]) { 
	return document.layers[objectId];
   } else {
	return false;
   }
}