// functionality supported on IE 6 or later browsers
var is_IE6OrLater = false;
var iIEIndex = navigator.userAgent.indexOf("MSIE");
if (iIEIndex != -1) {
	// MSIE 6.0
	if (parseInt(navigator.userAgent.substring(iIEIndex+5, iIEIndex+6)) >= 6) {
		is_IE6OrLater = true;
	}
}

var g_fApplyFilterToImage = is_IE6OrLater;

function applyLightFilter()
{
	try
	{
		if (g_fApplyFilterToImage)
		{
			var oElement = event.srcElement;
			if(!(document.activeElement.sourceIndex == (oElement.sourceIndex -1)))
			{
				oElement.style.filter="progid:DXImageTransform.Microsoft.Light()"
				oElement.filters.item("DXImageTransform.Microsoft.Light").addAmbient(255,255,255,100) 
				oElement.filters.item("DXImageTransform.Microsoft.Light").addAmbient(255,255,255,25) 
			}
		}
	}
	catch(e)
	{
		g_fApplyFilterToImage = false;
	}
}

function removeLightFilter()
{
	try
	{
		if (g_fApplyFilterToImage)
		{
			var oElement = event.srcElement;
			if(!(document.activeElement.sourceIndex == (oElement.sourceIndex -1)))
			{
				oElement.style.filter = "progid:DXImageTransform.Microsoft.Alpha(Opacity=50, FinishOpacity=50, Style=1, StartX=0, StartY=0, FinishX=0, FinishY=0)";
			}
		}
	}
	catch(e)
	{
		g_fApplyFilterToImage = false;
	}
}

function resetImage()
{
	try
	{
		if (g_fApplyFilterToImage)
		{
			event.srcElement.firstChild.style.filter = "progid:DXImageTransform.Microsoft.Alpha(Opacity=50, FinishOpacity=50, Style=1, StartX=0, StartY=0, FinishX=0, FinishY=0)";
		}
	}
	catch(e)
	{
		g_fApplyFilterToImage = false;
	}
}

function SetNormal()
{
	try
	{
		if (g_fApplyFilterToImage)
		{
			removeLightFilter();
			event.srcElement.style.filter =''
		}
	}
	catch(e)
	{
		g_fApplyFilterToImage = false;
	}
}

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) { //v4.0
  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);
  if(!x && document.getElementById) x=document.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];}
}