function open_popup(url,w,h,resize,scroll,wname) {
/* place this in onclick or href:  "javascript:open_popup('[url]','[width of window]','[height of window]','[resize option]','[scroll opiton]','[windowname]');"  */
  var properties = "toolbar=0,location=0,directories=0,status=0,menubar=0,copyhistory=0,width="+ w +",height="+ h;
  if((scroll==0)||(scroll==1)){  properties+=",scrollbars="+ scroll; }
  if((resize==0)||(resize==1)){  properties+=",resizable="+ resize; } 	
  wname = (wname == null) ? wname : "popwin";
 
  child = window.open(url,wname,properties);
  child.focus();
}

function swap(img,isrc) {
/* place this in href
onmouseover="swap('[imgname]','[imgurl]');"
onmouseout="swap('[imagname]','[imgurl]');"
*/
   if (!document.images) return;
   document.images[img].src = isrc;
}