// JavaScript Document
function check_emailexistsindex(emailval,filename) {

				if(checkEmail('quickregemail')){
				var url="parts/"+filename+".php?email="+emailval+"&sid="+Math.random();
					new Ajax.Request(url, {   
					method: 'get',
					onSuccess: function(transport) 
					{
						emailch=transport.responseText;
						if(emailch=='ok'){
							
							$('err_email1').style.display='none';
							emailflag=1;
							
						}
						if(emailch=='err'){
							
							$('err_email1').style.display='block';
							displayLogin(emailval);
							emailflag=0;
							
						}
						
					
						
}});
				}else{
					$('err_email1').style.display='none';
					emailflag=0;
				}

}

// Display the login IFRAME
function displayLogin(email){
	var overlay	 = document.getElementById('overlay'),
			loginbox = document.getElementById('loginbox'),
			btnclose = document.getElementById('btncloseoverlay');
	overlay.onclick = function () {
		loginbox.style.display = 'none';
		this.style.display = 'none';
	}
	btnclose.onclick = function (){
		loginbox.style.display = 'none';
		overlay.style.display = 'none';
	}
	overlay.style.display = 'block';
	loginbox.style.display = 'block';
	window.frames['overlayframe'].injectEmail(email);
}