function initPage()
{
    clearFormFields({
        clearInputs: true,
        clearTextareas: true,
        passwordFieldText: false,
        addClassFocus: "",
        filterClass: "default",
        ignoreClass: "ignore"
    });
}
function clearFormFields(o)
{
    if (o.clearInputs == null) o.clearInputs = true;
    if (o.clearTextareas == null) o.clearTextareas = true;
    if (o.passwordFieldText == null) o.passwordFieldText = false;
    if (o.addClassFocus == null) o.addClassFocus = false;
    if (o.ignoreClass == null) o.ignoreClass = "ignore";
    if (!o.filter) o.filter = "default";
    if(o.clearInputs) {
        var inputs = document.getElementsByTagName("input");
        for (var i = 0; i < inputs.length; i++ ) {
            if((inputs[i].type == "text" || inputs[i].type == "password") && inputs[i].className.indexOf(o.filterClass) && inputs[i].className !== o.ignoreClass) {
                inputs[i].valueHtml = inputs[i].value;
                inputs[i].onfocus = function ()	{
                    if(this.className.indexOf(o.ignoreClass) == -1) {
                        if(this.valueHtml == this.value) this.value = "";
                        if(this.fake) {
                            inputsSwap(this, this.previousSibling);
                            this.previousSibling.focus();
                        }
                        if(o.addClassFocus && !this.fake) {
                            this.className += " " + o.addClassFocus;
                            this.parentNode.className += " parent-" + o.addClassFocus;
                        }
                    }
                }
                
                inputs[i].onblur = function () {
                    if(this.className.indexOf(o.ignoreClass) == -1) {
                        if(this.value == "") {
                            this.value = this.valueHtml;
                            if(o.passwordFieldText && this.type == "password") inputsSwap(this, this.nextSibling);
                        }
                        if(o.addClassFocus) {
                            this.className = this.className.replace(o.addClassFocus, "");
                            this.parentNode.className = this.parentNode.className.replace("parent-"+o.addClassFocus, "");
                        }
                    }
                }
                if(o.passwordFieldText && inputs[i].type == "password") {
                    var fakeInput = document.createElement("input");
                    fakeInput.type = "text";
                    fakeInput.value = inputs[i].value;
                    fakeInput.className = inputs[i].className;
                    fakeInput.fake = true;
                    inputs[i].parentNode.insertBefore(fakeInput, inputs[i].nextSibling);
                    inputsSwap(inputs[i], null);
                }
            }
        }
    }
    if(o.clearTextareas) {
        var textareas = document.getElementsByTagName("textarea");
        for(var i=0; i<textareas.length; i++) {
            if(textareas[i].className.indexOf(o.filterClass) && textareas[i].className !== o.ignoreClass) {
                textareas[i].valueHtml = textareas[i].value;
                textareas[i].onfocus = function() {
                    if(this.className.indexOf(o.ignoreClass) == -1) {
                        if(this.value == this.valueHtml) this.value = "";
                        if(o.addClassFocus) {
                            this.className += " " + o.addClassFocus;
                            this.parentNode.className += " parent-" + o.addClassFocus;
                        }
                    }
                }
                textareas[i].onblur = function() {
                    if(this.value == "") this.value = this.valueHtml;
                    if(o.addClassFocus) {
                        if(this.className.indexOf(o.ignoreClass) == -1) {
                            this.className = this.className.replace(o.addClassFocus, "");
                            this.parentNode.className = this.parentNode.className.replace("parent-"+o.addClassFocus, "");
                        }
                    }
                }
            }
        }
    }
    function inputsSwap(el, el2) {
        if(el) el.style.display = "none";
        if(el2) el2.style.display = "inline";
    }
}
if (window.addEventListener)
    window.addEventListener("load", initPage, false);
else if (window.attachEvent)
    window.attachEvent("onload", initPage);
