var iPath = 'images/';
var iExt = 'gif';
var suffix = new Array('on', 'off');

function preLoad()
{
  if(document.images)
  {
    var argLen = arguments.length;
    for(var i = 0; i < argLen; i++)
    {
      var arg = arguments[i];
      var sufLen = suffix.length;
      for(j = 0; j < sufLen; j++)
      {
        var suf = suffix[j]
        self[arg + '_' + suf] = new Image();
        self[arg + '_' + suf].src = iPath + arg + '_' + suf + '.' + iExt;
      }
    }
  }
}

function openVendorWindow(site) {
	//alert(site);
	var theWin = window.open(site,"Vendor","toolbar=1,location=1,directories=0,status=1,menubar=1,scrollbars=1,resizable=1,width=500,height=350");
	theWin.focus();
}