var urlI = "img/";
var loadedImages = new Array (
        "btn_Home_on.gif",
        "btn_VoterInfo_on.gif",
        "btn_Locate_on.gif",
        "btn_Sponsors_on.gif",
        "btn_Press_on.gif",
        "btn_ContactUs_on.gif",
		"btn_Links_on.gif",
		"btn_Questions_on.gif");

function preloadImages() {

        var xImages = new Array ();
                      
                for (i=0; i < loadedImages.length; i++) {
                        xImages[i] = new Image ();
                        xImages[i].src = urlI + loadedImages[i];
                }
}

function doOver(iname,what) {
        flag = (iname == undefined) ? 0 : 1;
        if(flag) nameButton = iname;
        if(what == 'on') document.images[nameButton].src = flag ? urlI+nameButton+"_on.gif" : urlI+nameButton+"_on.gif";
        else document.images[nameButton].src = flag ? urlI+nameButton+"_on.gif" : urlI+nameButton+"_off.gif";
        if(!flag) nameButton = "";
}