// JavaScript Document

function banner()
{ posicionX=0;
  posicionY=0;
 //alert( window.pageYOffset);
  if(window.pageYOffset) //mozilla
    { posicionX= (window.outerWidth /2) - 150 + "px";
	  posicionY= window.pageYOffset  + 80 + "px";
	}
   else
    { posicionX= (document.body.clientWidth / 2) - 300 + "px";
	  posicionY= document.body.scrollTop + 80 + "px";
	}
  if(document.getElementById("divbanner")){
	  document.getElementById("divbanner").style.left= posicionX;
	  document.getElementById("divbanner").style.top= posicionY;
	  document.getElementById("divbanner").style.width="600 px";
	  document.getElementById("divbanner").style.height="400 px";
	  document.getElementById("divbanner").style.visibility="visible";
	  document.getElementById("divbanner").style.position="fixed";  
  }
  else{
	  parent.document.getElementById("divbanner").style.left= posicionX;
	  parent.document.getElementById("divbanner").style.top= posicionY;
	  parent.document.getElementById("divbanner").style.width="600 px";
	  parent.document.getElementById("divbanner").style.height="400 px";
	  parent.document.getElementById("divbanner").style.visibility="visible";
	  parent.document.getElementById("divbanner").style.position="fixed"; 
  }
}

function cerrarbanner()
{

   if(document.getElementById("divbanner")){	 
	  /*document.getElementById("divbanner").style.left= "1 px";
	  document.getElementById("divbanner").style.top= "1 px";
	  document.getElementById("divbanner").style.width="1 px";
	  document.getElementById("divbanner").style.height="1 px";*/
	  document.getElementById("divbanner").style.visibility="hidden";
   }
   else{
	  /*parent.document.getElementById("divbanner").style.left= "1 px";
	  parent.document.getElementById("divbanner").style.top= "1 px";
	  parent.document.getElementById("divbanner").style.width="1 px";
	  parent.document.getElementById("divbanner").style.height="1 px";*/
	  parent.document.getElementById("divbanner").style.visibility="hidden";    
   }
   


}