function hideContent(d) {
document.getElementById(d).style.display = "none";
}
function showContent(d) {
document.getElementById(d).style.display = "block";
}

function showContactDiv(id) {
	var i = 1;
	while(i < 6)
	{
		hideContent(i);
		i ++;
	}
	showContent(id);
}

function checkOther() {
	var select = document.getElementById("Subject");
	var index = select.selectedIndex;
	var value = document.getElementsByTagName('option')[index].value;
	
	if (value == "Other")
		document.getElementById("otherRow").style.display = "table-row";
	else
		document.getElementById("otherRow").style.display = "none";
}

function fade(idToFade, idToShow) {
	$('#' + idToFade).css({'opacity': '0.0', 'z-index': '-1','display': 'none'});
	var div = $('#' + idToShow);
	div.css({'z-index': '100','display': 'block'});
	div.animate({'opacity': '1.0'}, 2000);
}

function checkCaptcha()
{
	var captchaValue = $("#captchaValue").val();
	var captcha = $("#captcha").val();
	var captchaField = $("#captchaTd");
	
	if (captchaValue == captcha)
	{
		document.contact.submit();
	}
	else
	{
			captchaField.html("<input type='text' name='captcha' id='captcha' /> <span style='color: red;'>Input Anti-Spam!</span>");
	}
	
}

function openWindow(url, w, h)
{
	var left = (screen.width/2)-(w/2);
	var top = (screen.height/2)-(h/2);
	
	window.open(url,"_blank","menubar=no,width="+w+",height="+h+",toolbar=no,screenX="+left+",screenY="+top+",left="+left+",top="+top);
}