var NS4 = (document.layers) ? 1 : 0;
var ProgDir = "../";
var IE4 = (document.all) ? 1 : 0;

function MM_swapImage() {
  var i,theObj,j=0,swapArray=new Array,oldArray=document.MM_swapImgData;
  for (i=0; i < (MM_swapImage.arguments.length-2); i+=3) {
    theObj = eval(MM_swapImage.arguments[(navigator.appName == 'Netscape')?i:i+1])
    if (theObj != null) {
      swapArray[j++] = theObj;
      swapArray[j++] = (oldArray==null || oldArray[j-1]!=theObj)?theObj.src:oldArray[j];
      theObj.src = MM_swapImage.arguments[i+2];
  } }
  document.MM_swapImgData = swapArray; //used for restore
}

function MM_swapImgRestore() {
  if (document.MM_swapImgData != null)
    for (var i=0; i<(document.MM_swapImgData.length-1); i+=2)
      document.MM_swapImgData[i].src = document.MM_swapImgData[i+1];
}

function WindowOpen(URL,w,h,WindowName) { 
	if (NS4) {
		var left = window.screenX + ((window.outerWidth - w) / 2);
		var top = window.screenY + ((window.outerHeight - h) / 2);
		var build = "screenX=" + left + ",screenY=" + top + ",resizable=no,scrollbars=yes,width=" + w + ",height=" + h;
	} else if (IE4) {
		var left = (screen.width - w) / 2;
		var top = (screen.height - h) / 2;
		var build = "left=" + left + ",top=" + top + ",resizable=no,scrollbars=yes,titlebar=no,width=" + w + ",height=" + h;
	} else {
		var build = 'width='+w+',height='+h+',resizable=no,scrollbars=yes';
	}
	NewWindow = window.open(URL, WindowName, build);
	NewWindow.opener = self;
	NewWindow.focus();
}