function mouseOver(img,img_src)
{
  document.getElementById(img).src = img_src;
}

function mouseOut(img,img_src)
{
   document.getElementById(img).src = img_src;
}

function plus_gr (id,typeid, $top, $left, $width,$height)
{
 var div_gr = document.getElementById(id);
 
 if($top == "middle")
   $top = "(screen.height - $height) / 2";
 if($left == "middle")
   $left = "(screen.width - $width) / 2";
   
 //--------
 var x,y; 
 x=Math.random()*2+1; 
 var c= div_gr; //document.getElementById("main"+namber) 
 $left = (document.body.clientWidth - $width) / 2 + document.body.scrollLeft ;  
 $top =  (document.body.clientHeight - $height) / 2 + document.body.scrollTop ;  
	
 //--------  
 
 if (div_gr)
 {
   if (document.getElementById(typeid).value == 1)
   {
     div_gr.style.top  = $top;
     div_gr.style.left = $left;
     div_gr.style.width  = $width;
     div_gr.style.height = $height;     
     div_gr.style.visibility = "hidden";
     div_gr.style.display = "none";
          
     document.getElementById(typeid).value = 2;     
   } 
   else
   {     
     div_gr.style.top    = $top;
     div_gr.style.left   = $left;
     div_gr.style.width  = $width;
     div_gr.style.height = $height;
     div_gr.style.visibility = "visible";
     div_gr.style.display = "block";
     document.getElementById(typeid).value = 1;     
   }
 }

}