/* $Id: img.js,v 1.6 2006/10/17 08:37:38 nicolas Exp $ */
// Reno - 2003-03-13 09:29:06 - V1.0.0
//*******************************************************************************
//-------------------------------------------------------------------------------
// IMG.JS
//-------------------------------------------------------------------------------
//*******************************************************************************
//-----------------------------------------------------------------------------
// Image utilities.
//-----------------------------------------------------------------------------
function getImage(name) {
 if (document.all) return document.all(name);
 if (document.getElementById && document.getElementById(name)) return (document.getElementById(name));
 if (document.images && document.images[name]) return document.images[name];
 return findImage(name, document);
}

function findImage(name, doc) {
  var i, img;
  if (doc == null) doc = window.document;
  if (doc.images) {
    for (i = 0; i < doc.images.length; i++) if (doc.images[i].name == name) return doc.images[i];
  }
  if (doc.layers) {
    for (i = 0; i < doc.layers.length; i++) if ((img = findImage(name, doc.layers[i].document)) != null) {
      img.container = doc.layers[i];
      return img;
    }
  }
  return null;
}

function getImagePageLeft(img) {
  var x, obj;
  if (isMinNS4) {
    if (img.container != null)
      return img.container.pageX + img.x;
    else
      return img.x;
  }
  if (isIENS6) {
    x = 0;
    obj = img;
    while (obj.offsetParent != null) {
      x += parseInt(obj.offsetLeft);
      obj = obj.offsetParent;
    }
    x += parseInt(obj.offsetLeft);
    return x;
  }
  return -1;
}

function getImagePageTop(img) {
  var y, obj;

  if (isMinNS4) {
    if (img.container != null)
      return img.container.pageY + img.y;
    else
      return img.y;
  }
  if (isIENS6) {
    y = 0;
    obj = img;
    while (obj.offsetParent != null) {
      y += parseInt(obj.offsetTop);
      obj = obj.offsetParent;
    }
    y += parseInt(obj.offsetTop);
    return y;
  }
  return -1;
}

function MM_findObj(n, d) { //v3.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i < d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i < d.layers.length;i++) x=MM_findObj(n,d.layers[i].document); return x;
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i < a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_preloadImages() { //v3.0
  var d=document; 
	if(d.images){ 
		if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; 
		for(i=0; i < a.length; i++)
    	if (a[i].indexOf("#")!=0)
			{ 
				d.MM_p[j]=new Image; 
				d.MM_p[j++].src=a[i];
			}
	}
}