// rollover
var defImg;
function chImg(target, img){
  if(document.getElementById){
    defImg = document.getElementById(target).getAttribute("src");
    document.getElementById(target).setAttribute("src", img);
  }
}

// sub window
function WinOpen (wUrl,wName,wScl,wRsz,wWdt,wHgt) {
	newWin = window.open (wUrl,wName,'toolbar=0,location=0,directories=0,status=0,menubar=1,scrollbars=' + wScl + ',resizable=' + wRsz + ',width=' + wWdt + ',height=' + wHgt);
	newWin.focus();
}