var currentLocation = window.location.href;

function classChange(styleChange,item) {
   item.className = styleChange;
}

function changeURL(url) {
   window.location = url + "?url=" + currentLocation;
}

function openNewWindow(url, winName) {
   window.open(url, winName, "height=500,width=780, top=0,left=0, directories=no, location=no, menubar=no, scrollbars=yes, status=no, toolbar=no, resizable=no");
}

function openMenuWindow(url, winName) {
   window.open(url, winName, "height=500,width=780, top=0,left=0, directories=no, location=no, menubar=yes, scrollbars=yes, status=no, toolbar=no, resizable=no");
}

function openFSWindow(url, winName) {
   params  = 'top=0, left=0';
   params  = ', directories=no, location=no, menubar=no, scrollbars=yes, status=no, toolbar=no, resizeable=no';
   params += ', width=' + screen.width;
   params += ', height=' + screen.height;
   params += ', fullscreen=yes'; // fullscreen parameter is supported by IE Only

   newWin = window.open(url, winName, params);
   if ( window.focus ) {
      newWin.focus();
   }
}