var hp_objDropDown;
var hp_nDropDownHeight = 23;
var hp_nDropDownMinHeight = 23;
var hp_nDropDownMaxHeight = 116;
var hp_strDropDownAction = "OPEN";
var isOpening = false;
var isClosing = false;

window.onload = hp_init;

function hp_init()
{
    hp_objDropDown = document.getElementById("divDropDown");
    init();
}

function hp_dropdown()
{ 
    if (hp_strDropDownAction == "OPEN")
    {
        hp_strDropDownAction = "CLOSE";
        isOpening = true;
        isClosing = false;
        hp_dropdown_open();   
    }
    else
    {
        hp_strDropDownAction = "OPEN";
        isClosing = true;
        isOpening = false;
        hp_dropdown_close();  
    }
}

function hp_dropdown_open()
{
    hp_objDropDown.style.height = hp_nDropDownHeight + "px";
    hp_nDropDownHeight += 2
    if (hp_nDropDownHeight < hp_nDropDownMaxHeight && isOpening == true)
    {
       setTimeout("hp_dropdown_open()", 1);
    }
}

function hp_dropdown_close()
{
    hp_objDropDown.style.height = hp_nDropDownHeight + "px";
    hp_nDropDownHeight -= 2;
    if (hp_nDropDownHeight >= hp_nDropDownMinHeight && isClosing == true)
    {
       setTimeout("hp_dropdown_close()", 1);
    }
}

function hp_RollOverImg(obj)
{
    if(obj.src.indexOf("Off")!=-1)
    {
        obj.src = obj.src.replace("Off","On");
    }
    else
    {
        obj.src = obj.src.replace("On","Off");
    }
}

function clearTextBox(obj)
{
    obj.value="";
}

function Enter_keyPress(ev)
{
    if (ev.keyCode == 13) 
    {
        var btnSubmit = document.getElementById("_ctl0_phGetOurNewSletter_imgBTN_GO");
        btnSubmit.focus();
        btnSubmit.click();
    }
}