function PreLoadImages() {
    imageOne = new Image();
    imageTwo = new Image();
    imageThree = new Image();
    imageFour = new Image();
    imageFive = new Image();

    imageOne.src = '../images/gradient.gif';
    imageTwo.src = '../images/gradient1.png';
    imageThree.src = '../images/gradient2.gif';
    imageFour.src = '../images/gradient2.png';
    imageFive.src = '../images/gradient3.gif';
   
}

function SetActiveMenuItem() {
    try {
           
        var fullPath = window.location.pathname;
        var openedPageName = fullPath.substring(fullPath.lastIndexOf('/') + 1);

        // get all <li> elements from menu
        var mainMenu = document.getElementById("mainMenu");
        var liList = mainMenu.getElementsByTagName("li");
       
        var currentPageLiElement = null;
        
        //search link that match opened page
        for (i = 0; i < liList.length; i++) {
            var liHTML = liList[i].innerHTML;
           
            if (liHTML.indexOf(openedPageName) > 0) {
                currentPageLiElement = liList[i];
                break;
            }
        }

        if (currentPageLiElement != null) {
            currentPageLiElement.className = "active";
        }
    }
    catch (Error) {
       // alert(Error);
    }


}