var lg = "logo.jpg";
    window.setInterval(function() {
        lg = (lg=="logo.gif")?"logo1.gif":"logo.gif";
        document.getElementById("logo").src = "http://www.signkings.com.au/" + lg;
    }, 1500);

        // Fade In/Fade Out mouseover script
        // Created by Cam Johnson 2010
    
        var menuItems = document.getElementById("menu").getElementsByTagName("td");
        for(i=0; i<menuItems.length; i++) {
            m = menuItems[i];
            m.setAttribute("op",70);
            m.onmouseover = function() {
                var o = this;
                if(o.getAttribute("t")) clearInterval(o.getAttribute("t"));
                o.setAttribute("t",setInterval(function() {
                    fade(o,1,100);
                }, 5));
            }
            m.onmouseout = function() {
                var o = this;
                if(o.getAttribute("t")) clearInterval(o.getAttribute("t"));
                o.setAttribute("t",setInterval(function() {
                    fade(o,-1,70);
                }, 5));
            }
        }
        function fade(obj,amount,stopat) {
            var opac = parseInt(obj.getAttribute("op"));
            if(opac!=stopat) {
                opac += amount;
                obj.style.filter="alpha(opacity=" + opac + ")";
                obj.style.opacity=opac/100;
                obj.setAttribute("op",opac);
            }
            else {
                clearInterval(obj.getAttribute("t"));         
                if(stopat == 1) {
                    if(tr1.style.display == "none") {
                        tr1.style.display = "block";
                        tr2.style.display = "none";
                    } else {
                        tr2.style.display = "block";
                        tr1.style.display = "none";
                    }
                    obj.setAttribute("t",setInterval(function() {
                            fade(obj,1,100);
                    }, 2));
                    setTimeout("swap()", 6000);
                }
             }
           }
        
        //menu item click
        var mnuitems = document.getElementById("nav").getElementsByTagName("li");
        for(i=0;i<mnuitems.length;i++) {
            mnuitems[i].onclick = function() {
                window.location.href = this.childNodes[0].getAttribute("href");
            }
        }
        
        if(document.getElementById("success")) {
        
            setTimeout("document.getElementById('success').style.display='none';", 2500);
        }
        
        document.getElementById("btnSearch").onclick = function() {
            window.location.href = "http://www.signkings.com.au/Products.aspx?q=" + document.getElementById("txtSearch").value;
        }