//	 javascript for Business Imaging
//	 photo sample routines

var delay = 2400;
var pre_cache_image;

function precacheimages ( type, num )
{
	pre_cache_image = new Array (num);
	var numStr = "";

	for (picNum=1; picNum <= num; picNum++) {
	pre_cache_image[picNum] = new Image();
	numStr = picNum.toString();
	if (picNum < 10) { numStr = "0" + numStr };
	pre_cache_image[picNum].src = 'samples\/' + type + numStr + '.jpg';
	}

}


function showSamples ( type, num )
{

	precacheimages ( type, num );

	document.picImage.src = pre_cache_image[1].src;
	maxNumPics = num;
	picNum = 1;
	window.clearTimeout ( counter );
	counter = window.setTimeout ( 'changePic(\'' + type + '\')', delay );

}

function changePic ( type )
{
	picNum++;
	if (picNum > maxNumPics) { picNum = 1 };
	
	document.picImage.src = pre_cache_image[picNum].src;

	window.clearTimeout ( counter );
	counter = window.setTimeout ( 'changePic(\'' + type + '\')', delay );

}

function highlight( idNum )
{
 	var elem;
	elem = document.getElementById ( 'pic' + idNum );
	elem.src = "pics/cover" + idNum + "_emb.jpg";
}

function dim( idNum )
{
 	var elem;
	elem = document.getElementById ( 'pic' + idNum );
	elem.src = "pics/cover" + idNum + "_embdk.jpg";
}

function doMainThumb ( idNum, title, link )
{
    var outStr = "";
	outStr += '<td><div class=sqpic style="margin-top: 14px;">';
	outStr += '<a href="' + link + '" onmouseover="highlight(' + idNum + ');" onmouseout="dim(' + idNum + ');">';
	outStr += '<img id=pic' + idNum + ' src="pics\/cover' + idNum + '_embdk.jpg" width=144 height=144 border=0 alt="' + title + '">';
	outStr += '<\/a><p class=catTitle>' + title + '<\/p><\/div><\/td>';
	
	document.write (outStr);
}