var imagenumber = 3 ;
var randomnumber = Math.random() ;
var rand1 = Math.round( (imagenumber-1) * randomnumber) + 1 ;
images = new Array
images[1] = "images/imagen_home_01.jpg"
images[2] = "images/imagen_home_02.jpg"
images[3] = "images/imagen_home_03.jpg"
var image = images[rand1]

//Funciones del menu
// Rev. 09/07/2003

function Toggle(item) {
   obj=document.getElementById(item);
   visible=(obj.style.display!="none")
   key=document.getElementById("x" + item);
   if (visible) {
     obj.style.display="none";
     key.innerHTML="<img src='../images/panel/tree_menu/close.gif' width='16' height='14' hspace='0' vspace='0' border='0'>";
   } else {
      obj.style.display="block";
      key.innerHTML="<img src='../images/panel/tree_menu/open.gif' width='16' height='14' hspace='0' vspace='0' border='0'>";
   }
}

function Ayuda(item) {
   obj=document.getElementById(item);
   visible=(obj.style.display!="none")
   key=document.getElementById("x" + item);
   if (visible) {
     obj.style.display="none";
	    } else {
     obj.style.display="block";
	    }
}

function Expand() {
   divs=document.getElementsByTagName("DIV");
   for (i=0;i<divs.length;i++) {
     divs[i].style.display="block";
     key=document.getElementById("x" + divs[i].id);
     key.innerHTML="<img src='../images/panel/tree_menu/open.gif' width='16' height='14' hspace='0' vspace='0' border='0'>";
   }
}

function Collapse() {
   divs=document.getElementsByTagName("DIV");
   for (i=0;i<divs.length;i++) {
     divs[i].style.display="none";
     key=document.getElementById("x" + divs[i].id);
     key.innerHTML="<img src='../images/panel/tree_menu/close.gif' width='16' height='14' hspace='0' vspace='0' border='0'>";
   }
}

//pop up

function openWin( winHeight, winWidth, picSrc )
{
    newWin = window.open('', '', 'height='+ winHeight + ',width='+ winWidth + 'toolbars=no, scrollbars=no' );
    newWin.document.write("<head><title>Tienda Virtual</title><style type='text/css'> body {margin-left: 0px;	margin-top: 0px; margin-right: 0px;	margin-bottom: 0px; background-color: #000000;}</style></head>");	
	newWin.document.write("<body margin-left'0px' margin-top='0px' margin-right='0px' margin-bottom='0px'>");
    newWin.document.write("<p align=center>");
    newWin.document.write("<img src=" + picSrc + "><br>");
    newWin.document.write("<br><input type='button' value='Cerrar' onclick='JavaScript:window.close()'>");
    newWin.document.write("</p>");
	newWin.document.write("</body>");
}
