// http://www.bloke.com/javascript/Random/
// Usage:
//  RandomImage(images)
//  RandomImageLong(images,iparams)
//  RandomImageLink(images,urls)
//  RandomImageLinkLongTarget(images,urls,iparams,hparams)
//     images	is space or comma separated file list
//     urls		is space or comma separated list of url's
//     iparams	params to add to <img>
//     hparams	params to add to <a href..>

function RandomImageLong(images,iparams)
{
/* si: start index 
** i: current index
** ei: end index
** cc: current count
*/
si = 0; ci=0; cc=0;
imageSet = new Array();
ei = images.length;
	for (i=1;i<ei;i++) {
		if (images.charAt(i) == ' ' || images.charAt(i) == ',')
	{imageSet[cc] = images.substring(si,i); cc++; si=i+1;}
	}
ind = Math.floor(Math.random() *cc);
document.writeln("<img "+iparams+" src="+imageSet[ind]+" alt=\""+imageSet[ind]+"\" style= float: left\;\">");
}

function RandomImage(images)
{RandomImageLong(images," ");}

function RandomImageLinkLongTarget(images,urls,iparams,hparams)
{
imageSet = new Array();
urlSet = new Array();
si = 0; ci=0; cc=0;
ei = images.length;
	for (i=1;i<ei;i++) {
		if (images.charAt(i) == ' ' || images.charAt(i) == ',')
		{imageSet[cc] = images.substring(si,i); cc++; si=i+1;}
	}
ind = Math.floor(Math.random() *cc);
si = 0; ci=0; cc=0; ei = urls.length;
	for (i=1;i<ei && cc <=ind ;i++) {
    		if (urls.charAt(i) == ' ' || urls.charAt(i) == ',')
		{urlSet[cc] = urls.substring(si,i); cc++; si=i+1;}
	}

//document.writeln("<img "+iparams+" src="+imageSet[ind]+" alt=\""+imageSet[ind]+"\">");
  document.writeln("<a "+hparams+" href=\""+urlSet[ind]+"\"><img "+iparams+" src="+imageSet[ind]+" alt=\""+imageSet[ind]+"\"><\/a>");
}

function RandomImageLinkLong(images,urls,iparams)
{RandomImageLinkLongTarget(images,urls,iparams,"");}

function RandomImageLink(images,urls)
{RandomImageLinkLongTarget(images,urls,"border=0","");}