function openWindow(target, width)
{
     window.open(target,'tgPop','toolbar=0,location=0,directories=0,status=0,menubar=0,status=0,scrollbars=1,resizable=1,width='+width+',height=500,top=20,left=20');
}

function buildZones(theZone)
{    
	var zones = loadXMLDoc("content.php?timezones").getElementsByTagName("zone");	
     
	var content = "<select id=\"zone\" name=\"zone\">\n";
	
	for(x=0;x<zones.length;x++) 
	{
		if(document.all) 
		{
		    var abr  = zones[x].getElementsByTagName("abbreviation")[0].text;
		    var utc  = zones[x].getElementsByTagName("utc")[0].text;
		    var name = zones[x].getElementsByTagName("name")[0].text;
		    var loc = zones[x].getElementsByTagName("location")[0].text;
		}
		else 
		{
		    var abr  = zones[x].getElementsByTagName("abbreviation")[0].textContent;
		    var utc  = zones[x].getElementsByTagName("utc")[0].textContent;
		    var name = zones[x].getElementsByTagName("name")[0].textContent;
		    var loc = zones[x].getElementsByTagName("location")[0].textContent;
		}
		if(abr == "undefined") abr = "";
		if(utc == "undefined") utc = "";
	     content += "    <option value=\"" + abr + " " + utc + "\"";
	     if(theZone == abr + " " + utc) content += " selected=\"slected\"";
	     else if(!theZone && abr == "PST") content += " selected=\"slected\"";
	     content += ">" + name + " (" + loc + ")</option>\n";
	}    
     content += "</select>\n";
     if(navigator.userAgent.toLowerCase().indexOf('safari')+1) document.getElementById("zoneBox").innerHTML = "<select id=\"zone\" name=\"zone\"><option value=\"EST -0500\">Eastern Standard Time (North America)</option></select>";
     else document.getElementById("zoneBox").innerHTML = content;
}   	
	
function _GET(variable) 
{
	var query = window.location.search.substring(1);
	var vars = query.split("&");
	for (var i=0;i<vars.length;i++) 
	{
		var pair = vars[i].split("=");
		if (pair[0] == variable)  return pair[1];
	} 
	return false;
}	

function validateOptOut()
{
    if(document.getElementById("email").value == "")
    {
        document.getElementById("warner").innerHTML = "Please enter your email address.";
        document.getElementById("email").focus();
    }
    else if(document.getElementById("email").value.indexOf("@") < 1 || document.getElementById("email").value.indexOf(".") < 1)
    {
        document.getElementById("warner").innerHTML = "Invalid email address!";
        document.getElementById("email").focus();
    }
    else document.forms[0].submit();
}