// JavaScript Document

	function $(id)
	{return document.getElementById(id);}

	function posDisplayOn(x,y,imgname,divname) {
	//x = posicion horizontal
	//y = posicion vertical
	//imgname = las cordenadas son respecto a una imagen o links 
	//divname = bloque a mostrar

        if(document.getElementById(divname))
        {
            var obj = document.images[imgname] || document.links[imgname] || document.anchors[imgname];

            x = moveXbySlicePos (x, obj);
            $(divname).style.left = x + 'px';

            y = moveYbySlicePos (y, obj);
            $(divname).style.top = y + 'px';       
        }

	}

	function moveXbySlicePos (x, img) { 
		if (!document.layers) {
			var onWindows = navigator.platform ? navigator.platform == "Win32" : false;
			var macIE45 = document.all && !onWindows && getExplorerVersion() == 4.5;
			var par = img;
			var lastOffset = 0;
			while(par){
				if( par.leftMargin && ! onWindows ) x += parseInt(par.leftMargin);
				if( (par.offsetLeft != lastOffset) && par.offsetLeft ) x += parseInt(par.offsetLeft);
				if( par.offsetLeft != 0 ) lastOffset = par.offsetLeft;
				par = macIE45 ? par.parentElement : par.offsetParent;
			}
		} else if (img.x) x += img.x;
		return x;
	}
	
	function moveYbySlicePos (y, img) {
		if(!document.layers) {
			var onWindows = navigator.platform ? navigator.platform == "Win32" : false;
			var macIE45 = document.all && !onWindows && getExplorerVersion() == 4.5;
			var par = img;
			var lastOffset = 0;
			while(par){
				if( par.topMargin && !onWindows ) y += parseInt(par.topMargin);
				if( (par.offsetTop != lastOffset) && par.offsetTop ) y += parseInt(par.offsetTop);
				if( par.offsetTop != 0 ) lastOffset = par.offsetTop;
				par = macIE45 ? par.parentElement : par.offsetParent;
			}		
		} else if (img.y >= 0) y += img.y;
		return y;
	}
	
	function position(x,y,imgname,divname){
		var obj = FIND(imgname) || document.images[imgname] || document.links[imgname] || document.anchors[imgname];
		x = moveXbySlicePos (x, obj);
		$(divname).style.left = x;
		y = moveYbySlicePos (y, obj);
		$(divname).style.top = y + 'px';		
		$(divname).style.display = 'block';
	}

	function posDisplayOff(divname) {
		$(divname).style.display = 'none';
	}

function findPosX(obj) {
  var curleft = 0;

  if(obj.offsetParent) {
    while(1) {
      curleft += obj.offsetLeft;
      if(!obj.offsetParent)
        break;
      obj = obj.offsetParent;
    }
  } else if(obj.x) {
    curleft += obj.x;
  }

  obj.style.position = "static";

  return curleft;
}

function findPosY(obj) {
  var curtop = 0;

  if(obj.offsetParent) {
    while(1) {
      curtop += obj.offsetTop;
      if(!obj.offsetParent)
        break;
      obj = obj.offsetParent;
    }
  } else if(obj.y) {
    curtop += obj.y;
  }

  return curtop;
}