function map_on(mapName,mapTarg) {
    document[mapTarg].useMap = '#' + mapName;
}

function img_on(imgName,imgTarg) {
    document[imgTarg].src = imgName;
}

function color_on(newColor,imgTarg) {
    document.getElementById(imgTarg).style.color = newColor;
}

function make_obj(name){
   if(document.layers) return eval("document.layers['" + name + "']");
   else return document.getElementById(name);
}

function m_sel(name, mode){
   make_obj(name).className=mode;
}

function PreloadImages() { 
  var d=document; if(d.images){ if(!d.p) d.p=new Array();
    var i,j=d.p.length,a=PreloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.p[j]=new Image; d.p[j++].src=a[i];}}
}