var navactive;

var blendeactual;
var winW=0;
var winH=0;
var x=0;
var y=0;
var px="px";



function mousemove(e){
var ie=0;
 if(e)   {x=e.pageX?e.pageX:e.clientX?e.clientX:0; y=e.pageY?e.pageY:e.clientY?e.clientY:0;}
 else if(event) {x=event.clientX; y=event.clientY;ie=1;}
 else {x=0; y=0;}

    x+=document.documentElement.scrollLeft;
    if(ie==1)y+=document.documentElement.scrollTop;

 if(blendeactual) showblende();
}



function overinit(){
 x=10;y=0;winW=800;winH=600;
 blendeactual=null;
 document.onmousemove = mousemove;
 if(document.captureEvents) 
   document.captureEvents(Event.MOUSEMOVE);
}



function blendehide(){
 
 if(blendeactual) 
   blendeactual.style.display="none";
 blendeactual=null;
 
}



function showblende(){

  blendeactual.style.display="block";

}

function overblende(name)
{
   blendeactual=document.getElementById(name);
   winW=(window.innerWidth)? window.innerWidth+window.pageXOffset-16:document.body.offsetWidth-20;
   winH=(window.innerHeight)?window.innerHeight+window.pageYOffset  :document.body.offsetHeight;
   if(x<=0||y<=0){ 
    x=(winW)/2+(window.pageXOffset?window.pageXOffset:0); 
    y=(winH-50)/2+(window.pageYOffset?window.pageYOffset:0); 
   }
   showblende();
}