//Copyright (c) 2008 itmanvn, <http://itmanvn.info>.

//check compare input
function checkCompare(f){
	var ct=0;
	if (!f.elements["productid[]"]) return false;
	if (f.elements["productid[]"][0]) {
		for (var i=0; i<f.elements["productid[]"].length; i++)
			if (f.elements["productid[]"][i].checked) ct++;
		if (ct > 1) return true;
	}
	return false;
}
//get productids in checked box
function getProductIDs(f){
	var str='';
	if (!f.elements["productid[]"]) return '';
	if (f.elements["productid[]"][0]) {
		for (var i=0; i<f.elements["productid[]"].length; i++)
			if (f.elements["productid[]"][i].checked)
				if (str=='')
					str = f.elements["productid[]"][i].value;
				else
					str = str + '_' +f.elements["productid[]"][i].value;
	}
	return str;
}
//show ads
function show_banner(banner_file, banner_link, banner_title, banner_width, banner_height)
{	
	if (banner_file != '')
	{
		//-- Flash or Image?
		if (banner_file.indexOf('swf') != -1 ) //-- Flash
		{
			document.getElementById(div_id).innerHTML = '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0" width="'+banner_width+'" height="'+banner_height+'"><param name="movie" value="'+banner_file+'" /><param name="quality" value="high" /><param name="wmode" value="transparent" /><embed src="'+banner_file+'" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="'+banner_width+'" height="'+banner_height+'" wmode="transparent"></embed></object>';
		}
		else //-- Images
		{
			document.getElementById(div_id).innerHTML = '<a href="'+banner_link+'" title="'+banner_title+'" target="_blank"><img src="'+banner_file+'" border="0" alt="'+banner_title+'"></a>';
		}
	}
}

function display_ads()
{						
	show_banner(banners[current_banner][0], banners[current_banner][1], banners[current_banner][2], banners[current_banner][3], banners[current_banner][4]);
	
	current_banner++;
	
	var t = setTimeout("display_ads()", banners[current_banner-1][5]);
	
	if ( current_banner >= banners.length )
		current_banner = 0;
}