preloader();

function preloader() {

    // counter
    var i = 0;

    // create object
    imageObj = new Image();

    // set image list
    images = new Array();
    images[0] = "button25high.png"
    images[1] = "button78high.png"
    images[2] = "button114high.png"
    images[3] = "button194high.png"

    // start preloading
    for (i = 0; i <= 3; i++) {
        imageObj.src = "/images/" + images[i];
    }

} 


function mouseover(elem) {

    elem.className = elem.className.replace("std", "high");
    //elem.style.backgroundImage = elem.style.backgroundImage.replace("std", "high"); // 'url(/images/login-rolloverbutton.png)';
    elem.style.cursor = 'pointer';
}
function mouseout(elem) {

    elem.className = elem.className.replace("high", "std");
    //elem.style.backgroundImage = elem.style.backgroundImage.replace("high", "std"); //'url(/images/login-button.png)';
    elem.style.cursor = 'default';
}