function openWin(url, target, w, h)
{
	l = (screen.availWidth - w) / 2;
	t = (screen.availHeight - h) / 2;
	oWin = window.open(url, target, 'width='+w+',height='+h+',left='+l+',top='+t);
	oWin.focus();
	return false;
}

function getOffsetLeft(theObj)
{
	if (navigator.appVersion.indexOf('Mac') > -1 && navigator.appVersion.indexOf('MSIE') > -1)
	{
		parentObj = theObj.offsetParent;
	}
	else
	{
		parentObj = theObj.parentNode;
	}

	if (parentObj.tagName == 'BODY')
	{
		return parentObj.offsetLeft;
	}
	else
	{
		return theObj.offsetLeft + getOffsetLeft(parentObj);
	}
}

function getOffsetTop(theObj)
{
	if (theObj.offsetParent.tagName == 'BODY')
		return 10;
	else
		return theObj.offsetTop + getOffsetTop(theObj.offsetParent);
}

function showLayer(id, parentID/*, zIndx*/)
{
	var parentObj = document.getElementById(parentID);
	var posleft = getOffsetLeft(parentObj);
	//alert(posleft);
	var postop = getOffsetTop(parentObj);
	//var h = parentObj.style.height;
	var h = parentObj.offsetHeight;
	var divObj = document.getElementById(id);
	divObj.style.left = posleft+'px';
	divObj.style.top = (postop + h) + 'px';
	divObj.style.visibility = "visible";
	//divObj.style.zIndex = zIndx;
	//alert(divObj.style.left);
}

function hideLayer(id/*, zIndx*/)
{
	var divObj = document.getElementById(id);
	//if (zIndx >= divObj.style.zIndex)
	//alert('a');
	divObj.style.visibility = "hidden";
}

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_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];}}
}

function MM_findObj(n, d) { //v4.01
  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);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

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];}
}