getBrowserType();


    function getBrowserType () {
    	if (navigator.userAgent.indexOf("Opera") != -1 && document.getElementById) browserType = "OP"; 
    	if (document.all) browserType = "IE"; 
    	if (document.layers) browserType = "NN"; 
    	if (!document.all && document.getElementById) browserType = "MO"; 
    }



    function sort (strOrderBy){
	eval(getDocObject("orderby")).value = strOrderBy
	eval(getDocObject("button")).value = "Search"
	eval(getDocObject("presysion")).submit();
    } 


    function getDocObject(strObjectName) {
	var temp;

	var temp;

		temp = "document.all." + strObjectName
		if (temp == undefined) {
			temp = "document." + strObjectName
			if (temp == undefined) {
				temp = "document.getElementById('" + strObjectName + "')"
			}
		}	
	return temp;
    }

	function newImage(arg) {
		if (document.images) {
			rslt = new Image();
			rslt.src = arg;
			return rslt;
		}
	}
	
	function changeImages() {
		if (document.images && (preloadFlag == true)) {
			for (var i=0; i<changeImages.arguments.length; i+=2) {
				document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
			}
		}
	}
	
	var preloadFlag = false;
	function preloadImages() {
		if (document.images) {
			menu_home_over = newImage("images/menu_home_over.gif");
			menu_catalogue_over = newImage("images/menu_catalogue_over.gif");
			menu_shoppingcart_over = newImage("images/menu_shoppingcart_over.jpg");
			menu_contact_over = newImage("images/menu_contact_over.jpg");
			menu_search_over = newImage("images/menu_search_over.jpg");
			menu_spares_over = newImage("images/menu_spares_over.jpg");
			preloadFlag = true;
		}
	}

	function openwindow(url) {
		var screenwidth = window.screen.availWidth-10;
		var screenheight = window.screen.availHeight-50;
		var screenleft=(screen.width/2)-75;
		var screentop=(screen.height/2)-150;
		var params = 'left=' + screenleft + ',top=' + screentop + ',width=550,height=450,toolbar=no,location=no,directories=no,status=yes,menubar=no,scrollbars=yes,resize=yes,resizable=yes';
		var wind=window.open(url,'generalwindow',params);
	}	
	
	
	function correctPNG() {
		for(var i=0; i<document.images.length; i++)  {
		  var img = document.images[i]
		  var imgName = img.src.toUpperCase()
		  if (imgName.substring(imgName.length-3, imgName.length) == "PNG")
			 {
			 var imgID = (img.id) ? "id='" + img.id + "' " : ""
			 var imgClass = (img.className) ? "class='" + img.className + "' " : ""
			 var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' "
			 var imgStyle = "display:inline-block;" + img.style.cssText 
			 if (img.align == "left") imgStyle = "float:left;" + imgStyle
			 if (img.align == "right") imgStyle = "float:right;" + imgStyle
			 if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle		
			 var strNewHTML = "<span " + imgID + imgClass + imgTitle
			 + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
			 + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
			 + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>" 
			 img.outerHTML = strNewHTML
			 i = i-1
			}
		}
	}