var dirpath = "common/images/";


//pre-load images
function preLoad(){
if (document.images){

	var names = new Array("home", "apts", "neighborhood", "contact");

	for (var i=0; i < names.length; i++) {	
		var navOn = new Array();
		navOn[i] = new Image();
		navOn[i].src = dirpath + "/" + names[i] + "_on.gif";
	}
}
}


//rollover
function roll(name, state){

	if (document.images){
		eval("document." + name + ".src = \"" + dirpath + name + "_" + state + ".gif\"");

	}
}