NS4 = (document.layers) ? 1 : 0;
  IE4 = (document.all) ? 1 : 0;


function show ( name ) {
  x = currentX  ;
  y = currentY + 5;
  if (NS4) {

    document.layers[name].xpos = parseInt ( x );
    document.layers[name].left = parseInt ( x );
    document.layers[name].ypos = parseInt ( y );
    document.layers[name].top = parseInt ( y );
    document.layers[name].visibility = "show";
  } else {

    x  = event.clientX+document.body.scrollLeft+5 ;
    y  = event.clientY+document.body.scrollTop+5;
    document.all[name].style.left = parseInt ( x );
    document.all[name].style.top = parseInt ( y );
    document.all[name].style.visibility = "visible";
  }
}
function hide ( name ) {
  if (NS4) {
    document.layers[name].visibility = "hide";
  } else {
    document.all[name].style.visibility = "hidden";
  }
}

  currentX = currentY = 0;
function grabEl(e) {
  if ( NS4 ) {
    currentX = e.pageX;
    currentY = e.pageY;
  } else {

    currentX = event.screenX;
    currentY = event.screenY;
  }
}

if ( NS4 ) {
  document.captureEvents(Event.MOUSEDOWN | Event.MOUSEMOVE);
}
document.onmousemove = grabEl;

function abreVisor(url) {
    open('visor.phtml?plantilla='+url,'','width=600,height=385');
    }
function SwitchImg()
{ //start
  var rem, keep=0, store, obj, switcher=new Array, history=document.Data;
    for (rem=0; rem < (SwitchImg.arguments.length-2); rem+=3) {
    	store = SwitchImg.arguments[(navigator.appName == 'Netscape')?rem:rem+1];
    if ((store.indexOf('document.layers[')==0 && document.layers==null) ||
        (store.indexOf('document.all[')==0 && document.all==null))
         store = 'document'+store.substring(store.lastIndexOf('.'),store.length);
         obj = eval(store);
    if (obj != null) {
   	   switcher[keep++] = obj;
      switcher[keep++] = (history==null || history[keep-1]!=obj)?obj.src:history[keep];
      obj.src = SwitchImg.arguments[rem+2];
  } }
  document.Data = switcher;
} //end
function RestoreImg()
{ //start
  if (document.Data != null)
    for (var rem=0; rem<(document.Data.length-1); rem+=2)
      document.Data[rem].src=document.Data[rem+1];
}

function getURL()
{
 if ( NS4 )
    { return document.URL;}
 else
    {  return document.URLUnencoded ; }
}