function navarray() {}

navover=new navarray(); 
navout=new navarray();

function over(name) {
	if(navover[name]!=null) {
		document[name].src=navover[name].src;
	}
}

function out(name) {
	if(navout[name]!=null) {
		document[name].src=navout[name].src;
	}
}

function InitRollover() {
	if(document.images!=null) {
		for(var i=0; i<document.images.length; i++) {
			if(document.images[i].name.length>0) {
				var srcname=document.images[i].src;
				var thename=document.images[i].name;
				var overname="";
				var srcextension=srcname.substring(srcname.lastIndexOf("."),srcname.length);
				if(srcname.lastIndexOf("_")==(srcname.lastIndexOf(".")-2)) {
					overname=srcname.substring(0,srcname.lastIndexOf("_"));
				} else {
					overname=srcname.substring(0,srcname.lastIndexOf("."));
				}
				overname=overname+"_o"+srcextension;
				navout[thename]=new Image(document.images[i].width,document.images[i].height);
				navover[thename]=new Image(document.images[i].width,document.images[i].height);
				navout[thename].src=srcname; navover[thename].src=overname;
			}
		}
	}
}


function Init() {
	InitRollover();
}