$(document).ready( function(){

	$(".nav").hover(
		function () {
			var img_orig = $(this).attr("src");
			var img_replace = img_orig.replace("_off.gif", "_on.gif");
			$(this).attr( "src", img_replace )
		},
		function () {
			var img_orig = $(this).attr("src");
			var img_replace = img_orig.replace("_on.gif", "_off.gif");
			$(this).attr( "src", img_replace )
		}
	);
	
	
	$(".roll_image").hover(
			function () {
				var img_orig = $(this).attr("src");
				var img_replace = img_orig.replace(".jpg", "_on.jpg");
				$(this).attr( "src", img_replace )
			},
			function () {
				var img_orig = $(this).attr("src");
				var img_replace = img_orig.replace("_on.jpg", ".jpg");
				$(this).attr( "src", img_replace )
			}
		);
	
	$(".thumb").hover(
		function () {
			$(this).css( "background", "transparent url(/images/thumb_on.gif) no-repeat" );
		},
		function () {
			$(this).css( "background", "transparent url(/images/thumb_off.gif) no-repeat" );
		}
	);
	
});


function pop(url, name, w, h, rs, sb, mn, st, oth) {
	var resize = ((rs) ? "resizable="+rs+"," : "");
	var scroll = ((sb) ? "scrollbars="+sb+"," : "");
	var menu = ((mn) ? "toolbar="+mn+",location="+mn+",menubar="+mn+"," : "");
	var sts = ((st) ? "status="+st+"," : "");

     var popupWin = window.open(url, name, resize + scroll + menu + sts + "width=" + w + ",height=" + h + " " + oth);
     if (document.layers) {
          popupWin.focus();
     }
}

function popProd(url, name, w, h, rs, sb, mn, st, oth) {
	var resize = ((rs) ? "resizable="+rs+"," : "");
	var scroll = ((sb) ? "scrollbars="+sb+"," : "");
	var menu = ((mn) ? "toolbar="+mn+",location="+mn+",menubar="+mn+"," : "");
	var sts = ((st) ? ",status="+st+"," : "");

	form = eval("document.qty_on_hand");

	if(form.elements["data"].value > 0){

		url = url + "&qty=" + form.elements["data"].value;
		//alert(url);

		var popupWin = window.open(url, name, resize + scroll + menu + sts + "width=" + w + ",height=" + h + oth);
		if (document.layers) {
			popupWin.focus();
		}
	}else{
		alert("Error: Please enter a positive numeric value.");
	}
}