// Rollover Functions
function preload(images,prefx) {
         for (i =0;i<images.length;i++) {
               img = images[i];
               eval(img+" = new Image();\n"+img+". src='"+prefx+img+".gif';\n");
               eval(img+"2 = new Image();\n"+img+"2. src='"+prefx+img+"-over.gif';\n");

	 }

}

function roll(img,sores) {
        eval("document.images."+img+".src = "+sores+".src;");
}

function unroll(img) {
         eval("document.images."+img+".src= "+img+".src;");
 }

// Window functions 

function wopen(x,y,page) {

        x1 = window.open(page,"grumbleduke","toolbars=no, statusbars=no,width="+x+",innerwidth="+x+",height="+y+",innerHeight="+y+",scrollbars=yes, status=no,resizable=yes");
        x1.resizeTo(x,y);
        x1.focus();
}

function helpwin(topic) {
        wopen(475,225,"/showhelp/?topic="+topic);
}