function createCookie(name,value,days) {
	if (days>0) { eraseCookie(name); }
	if (days!=0) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	} else { var expires = ""; }
	var cook = name+"="+value+expires+"; path=/";
	//alert(cook);
	document.cookie = cook;
	//alert(name + ' is now ' + value);
	///alert(document.cookie);
}
function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}
function eraseCookie(name) {
	createCookie(name,"",-1);
}

function swapThumbs() {
	var tns = new Array();

	var x = document.getElementById("products").getElementsByTagName("TD");
	var j=0;
	for(var i=0; i<x.length; i++) {
		if(x[i].className.indexOf("thumbnail")!=-1) {
			tns[j++] = x[i];
		}
	}
	if (tns.length > 0) {
		var state; j = 0;
		state = (tns[0].className=='thumbnail-off')?'-on':'-off';
		for(j=0;j<tns.length;j++) { tns[j].className = 'thumbnail'+state; }
		if (state=='-on') {
			createCookie('bThumbnails', 1, 7);
			document.getElementById("togglethumbs").getElementsByTagName("A")[0].innerHTML = 'Hide Thumbnails';
		} else {
			createCookie('bThumbnails', 0, 7);
			document.getElementById("togglethumbs").getElementsByTagName("A")[0].innerHTML = 'Show Thumbnails';
		}
		document.getElementById('thumbnail_header').className = 'thumbnail'+state;
	}
}