/* change an elements value to blank when selected */
function blankOnFocus(o,s) 
{
    o.onclick = function() 
    {
        if (this.value==s)
        {
            this.value = '';
        }
    }
}

function addLoadEvent(func) {
    var oldonload = window.onload;
    if (typeof window.onload != 'function') {
        window.onload = func;
    } else {
        if (typeof func == 'function')
        {
            window.onload = function() {
            oldonload();
            func();
            }
        }
    }
}