function showEmailConfirmPopUp() {
	fadeInPopUpBG(0);
	document.getElementById("popup_welcome").style.backgroundImage = "url(images/popup_sentmsg.png)";
	fadeInElement("popup_welcome", 25, 0, .5, 0);
}  
function showInvalidEmailPopUp() {
	fadeInPopUpBG(0);
	document.getElementById("popup_welcome").style.backgroundImage = "url(images/popup_invalid.png)";
	fadeInElement("popup_welcome", 25, 0, .5, 0);
}
function showBlankPopUp() {
	fadeInPopUpBG(0);
	document.getElementById("popup_welcome").style.backgroundImage = "url(images/popup_blank.png)";
	fadeInElement("popup_welcome", 25, 0, .5, 0);
}
function showEmailDupePopUp() {
	fadeInPopUpBG(0);
	document.getElementById("popup_welcome").style.backgroundImage = "url(images/popup_emaildupe.png)";
	fadeInElement("popup_welcome", 25, 0, .5, 0);
}  	  		
function closePopUp() {
	document.getElementById("popup_content").style.display = "none";
	fadeOutPopUpBG(0.6);
	fadeItAll();
} 
function fadeInPopUpBG(opac) {
	if ((browser!="Microsoft Internet Explorer")) {
		document.getElementById("popup_bg").style.display = "block";
		document.getElementById("popup_content").style.display = "block";
	
		if(opac < .5){
			opac = opac + 0.1;
			document.getElementById('popup_bg').style.opacity = opac;
			setTimeout(function(){fadeInPopUpBG(opac)},50);
		}
		
	}else {
		document.getElementById("popup_content").style.display = "block";
	}
}
function fadeOutPopUpBG(opac) {
	if(opac > 0){
		opac = opac - 0.1;
		document.getElementById('popup_bg').style.opacity = opac;
		setTimeout(function(){fadeOutPopUpBG(opac)},50);
	}else {
		document.getElementById("popup_bg").style.display = "none";
	}
}