var last_listing_lnk_id = [];

function changeThumb (path, id, lnk, num)
{
	var cName = '';
	if (navigator.appName == 'Microsoft Internet Explorer') {
		cName = 'className';
	} else {
		cName = 'class';
	}

	if (last_listing_lnk_id[num] != '' && last_listing_lnk_id[num] != undefined) {
		document.getElementById(last_listing_lnk_id[num]).setAttribute(cName, '') ;
	}

	if(path == ''){
		path = 'img/properties/no_img.gif';
	}
	
	document.getElementById(id).src = path ;	
	document.getElementById(lnk).setAttribute(cName, 'over') ;
	
	last_listing_lnk_id[num] = lnk;
}

function restoreThumb (path, id, lnk)
{
	
	/*if(path == ''){
		path = 'img/properties/no_img.gif';
	}
	document.getElementById(id).src = path;*/
	
	//document.getElementById(lnk).setAttribute('class', '') ;
}