// h-subnav.html image preloader js

var imageHandler_centerMap = { 
	    path:"images/", // path to images
	    imgs:[], preload:function() { for(var i=0;arguments[i];i++) {
	    var img=new Image(); img.src=this.path+arguments[i]; this.imgs[this.imgs.length]=img;}}
	}
	
	imageHandler_centerMap.preload("subnav-whyblue-on.gif");
	imageHandler_centerMap.preload("subnav-ourproducts-on.gif");
	imageHandler_centerMap.preload("subnav-bluebuffs-on.gif");
	imageHandler_centerMap.preload("subnav-health-on.gif");
	
	
// rollover image processing from h-subnav.html

function On(imgname) {
	document[imgname].src = "images/subnav-" + imgname + "-on.gif";
}

function Off(imgname) {
	document[imgname].src = "images/subnav-" + imgname + "-off.gif";
}