//efecto de iluminacion de botones
        var image = new Image();

        function precargar (imagen) {
        image.src = imagen;
        }

        function _over(obj) {
        obj.style.cursor = 'hand';
        obj.background = image.src;
        }
         
        function _out(obj,orimag) {
        obj.background = orimag;
        }

        function _overcolor(obj,color) {
        obj.style.cursor = 'hand';
        obj.style.background = color;
        }

        function _outcolor(obj,color) {
        obj.style.background = (color?color:"");
        }

        function _cf (obj,clase) {
        obj.className = clase;
        }


//ampliar imagenes

   function AgrandarImagen(sPicURL) { 
     window.open( "photoview.asp?"+sPicURL, "",  
     "resizable=1,HEIGHT=200,WIDTH=200"); 
   } 

   function AgrandarImagenScroll(sPicURL) { 
     window.open( "photoviewscroll.asp?"+sPicURL, "",  
     "resizable=yes, scrollbars=yes top=0, left=0, HEIGHT=200,WIDTH=200"); 
   }