var	imgsPth		= "images/";		// Path to images folder - make sure you have a trailing slash
var	imgsNm		= new Array()
	imgsNm[0]	= "frmpic_01.jpg";
	imgsNm[1]	= "frmpic_02.jpg";
	imgsNm[2]	= "frmpic_03.jpg";
	imgsNm[3]	= "frmpic_04.jpg";

// If IE preload images
if (document.all)
{
	for (i = 0; i < imgsNm.length; i++)
	{
		preloadImages(imgsPth+imgsNm[i]);
	}
}

function swapImg(obj)
{
	var j = 0;
	var p = imgsNm.length;
	var fileName = getFileName(obj.src);

	for (i = 0; i < p; i++)
	{
		if (fileName == imgsNm[i])
		{			
			if (i == (p-1))
			{
				obj.src = imgsPth + imgsNm[0];
			}
			else
			{
				obj.src = imgsPth + imgsNm[i+1];
			}
			obj.blur();
		}
	}
}

function getFileName(pathname)
{
	var filename = pathname.substr(pathname.lastIndexOf('/')+1, pathname.length);
	return filename;
}

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

/*
function getElement(psID)
{ 
	if(document.all)
	{ 
		return document.all[psID]; 
	}
	else
	{ 
		return document.getElementById(psID); 
	} 
}
*/