/**
* Inits the rollovers
**/
function initRollovers() {
  if (! document.getElementById) return;
      
  var aPreLoad = new Array();
  var sTempSrc;
  var aImages = document.getElementsByTagName('img');
  for (var i = 0; i < aImages.length; i++) {
    if (aImages[i].className == 'rollover') {
	    var src = aImages[i].getAttribute('src');
	    var ftype = src.substring(src.lastIndexOf('.'), src.length);
	    var hsrc = src.replace(ftype, '_roll'+ftype);

	    aImages[i].setAttribute('hsrc', hsrc);
	    
	    aPreLoad[i] = new Image();
	    aPreLoad[i].src = hsrc;
	    
	    aImages[i].onmouseover = function() {
        sTempSrc = this.getAttribute('src');
        this.setAttribute('src', this.getAttribute('hsrc'));
	    }
      
	    aImages[i].onmouseout = function() {
        if (!sTempSrc) sTempSrc = this.getAttribute('src').replace('_roll'+ftype, ftype);
        this.setAttribute('src', sTempSrc);
	    }
    }
  }
}


/**
* Creates a popup window
**/
var newWin = null;
function popUp(strURL, strType, strHeight, strWidth) {
  if (newWin != null && !newWin.closed) {
    newWin.close();
  }
  
  var strOptions = "";
  if (strType == "console") {
    strOptions = "resizable,height=" + strHeight + ",width=" + strWidth;
    
  } else if (strType == "fixed") {
    strOptions = "status,height=" + strHeight + ",width=" + strWidth;
    
  } else if (strType == "elastic") {
    strOptions = "toolbar,menubar,scrollbars,resizable,location,height=" + strHeight + ",width=" + strWidth;
  }
  
  newWin = window.open(strURL, 'newWin', strOptions);
  newWin.focus();
}