function fullWindow(urlPage, windowName, width, height, othersParams) {
 var screenWidth = (screen.width-width)/2;
 var screenHeight = (screen.height-height)/2;
 window.open(urlPage, windowName, "width="+width+", height="+height+", left="+screenWidth+", top="+screenHeight+", "+othersParams+"");
}

function resizeWindow(){
 self.moveTo(0,0); self.resizeTo(screen.availWidth, screen.availHeight);
}

function popupOpen(urlPage, windowName, params){
 window.open(urlPage, windowName, params);
}

function blockMouse(){
 if (window.Event) 
  document.captureEvents(Event.MOUSEUP); 
 function nocontextmenu(){ event.cancelBubble = true; event.returnValue = false;  return false; } 
 function norightclick(e){ 
 if (window.Event) { 
   if (e.which == 2 || e.which == 3) 
    return false; 
   } else if (event.button == 2 || event.button == 3){ 
    event.cancelBubble = true 
    event.returnValue = false; 
    return false; 
   } 
 }
 if (document.layers){ document.captureEvents(Event.MOUSEDOWN); }  
 document.oncontextmenu = nocontextmenu; 
 document.onmousedown = norightclick; 
 document.onmouseup = norightclick;  
}