function globalLinkHoverImagePreload(){
	var globalLinkImage1 = new Image();
	globalLinkImage1.src = "images/globalLinkHover/hober_image_1.jpg";
	var globalLinkImage2 = new Image();
	globalLinkImage2.src = "images/globalLinkHover/hober_image_2.jpg";
	var globalLinkImage3 = new Image();
	globalLinkImage3.src = "images/globalLinkHover/hober_image_3.jpg";	
}
function changeRightMenuBgOver(obj,imageUrl){	
	obj.className = "bannerContentBgHover";
	document.getElementById('bannerImage').innerHTML = "<img src=\""+imageUrl+"\" border=\"0\" />";
}
function changeRightMenuBgOut(obj,clazzName,imageUrl){	
	obj.className = clazzName;
	document.getElementById('bannerImage').innerHTML = "<img src=\""+imageUrl+"\" border=\"0\" />";
}
function changeRightMenuBgOutHome(obj,clazzName,imageUrl){	
	obj.className = clazzName;
	document.getElementById('bannerImage').innerHTML = imageUrl;		
}