function hideFormText(){
    var _inputs = document.getElementsByTagName('input');
    var _value = [];
    if (_inputs) {
        for (var i = 0; i < _inputs.length; i++) {
            if (_inputs[i].type == 'text' || _inputs[i].type == 'password') {
                _inputs[i].index = i;
                _value[i] = _inputs[i].value;
                _inputs[i].onfocus = function(){
                    if (this.value == _value[this.index]) 
                        this.value = '';
                }
                _inputs[i].onblur = function(){
                    if (this.value == ''){ 
                        this.value = ''
                        }
                }
            }
        }
    }
}

if (window.addEventListener) 
    window.addEventListener("load", hideFormText, false);
else 
    if (window.attachEvent) 
        window.attachEvent("onload", hideFormText);