function activatePlaceholders() {
    var inputs = document.getElementsByTagName("input");
    for (var i=0; i < inputs.length; i++) {
        if (inputs[i].getAttribute("type") == "text") {
            if (inputs[i].getAttribute("placeholder") && inputs[i].getAttribute("placeholder").length > 0) {
                inputs[i].onfocus = function() {
                    if (this.value == this.getAttribute("placeholder")) {
                        this.value = "";
                        this.setAttribute("class", "");
                        this.setAttribute("className", "");
                    }
                    return false;
                }

                inputs[i].onblur = function() {
                    if (this.value.length < 1) {
                        this.value = this.getAttribute("placeholder");
                        this.setAttribute("class", "placeholder");
                        this.setAttribute("className", "placeholder");
                    }
                }

                inputs[i].onblur();
            }
        }
    }
}

window.onload = function() {
    activatePlaceholders();
}