function ClearUsername(obj)
{
    if (obj.value == "Gebruikersnaam")
    {
        obj.value = "";
    }
}

function ClearPassword(obj)
{   
    obj.style.backgroundImage = "";
}

function checkPwd()
{
    var pwd = document.getElementById("password");
    if (pwd && pwd.value.length > 0)
    {
        pwd.style.backgroundImage = 'none';
        clearInterval(oInterval);        
    }
}

function CheckSubmit(obj, e)
{   
    var keycode;
    if (window.event)
    {
        keycode = window.event.keyCode;   
    }
    else if (e)
    {
        keycode = e.which;
    }
    else
    {
        return;
    }
    
    if (keycode == 13)
    {
        document.getElementById('inlogFrm').submit();
    }
    
    return;
}

function windowHeight()
{
	var windowHeight = 0;
    
    if (typeof(window.innerHeight) == 'number')
    {
        windowHeight = window.innerHeight;
    }
    else
    {
        if (document.documentElement && document.documentElement.clientHeight)
        {
    	    windowHeight = document.documentElement.clientHeight;
        }
        else 
        {
    	    if (document.body && document.body.clientHeight) 
            {
    		    windowHeight = document.body.clientHeight;
    	    }
        }
    }
    
    return windowHeight;
}

function getElement(obj)
{ 
	return document.getElementById(obj);	
}

function setFooterHome()
{
	var topHoogte = 0;
	footerDiv = document.getElementById('content3c');
	
	topHoogte = getElement('top').offsetHeight + getElement('mainMenu2').offsetHeight + getElement('header').offsetHeight + getElement('content3').offsetHeight;
	spareSpace =  windowHeight() - topHoogte;

	if(windowHeight() >= topHoogte + footerDiv.offsetHeight)
	{
		footerDiv.style.marginTop = (spareSpace - footerDiv.offsetHeight) + "px" ;
	}
}

function setFooterSub()
{
	var topHoogte = 0;
	footerDiv = document.getElementById('content3c');
	
	topHoogte = getElement('top').offsetHeight + getElement('mainMenu2').offsetHeight + getElement('content').offsetHeight;
	spareSpace =  windowHeight() - topHoogte;
	//alert( topHoogte )
	if(windowHeight() >= topHoogte + footerDiv.offsetHeight)
	{
		footerDiv.style.marginTop = (spareSpace - footerDiv.offsetHeight) + "px" ;
	}
}

window.onresize = function() 
{
	//setFooter('sub');
}

oInterval = window.setInterval(checkPwd, 100);