function getUrlParameter(par) 
{
  var value='';
  var UrlParameter = window.location.search;
  
  if(UrlParameter != ""){
    var i = UrlParameter.indexOf(par+"=");
    if(i >= 0){
      i = i+par.length+1;
      var k = UrlParameter.indexOf("&", i);
      if(k < 0){
        k = UrlParameter.length;
      }
      value = UrlParameter.substring(i, k);
    }
  }
  return unescape(value);
} 

function setActiveStyleSheet(title) {
   var i, a, main;
   for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
     if(a.getAttribute("rel").indexOf("style") != -1
        && a.getAttribute("title")) {
       a.disabled = true;
       if(a.getAttribute("title") == title) a.disabled = false;
     }
   }
}

function printPreview()
{
upar = getUrlParameter("PrintPreview");
if (upar == "1")
{
setActiveStyleSheet("print");

window.print();
}
}