function showVeil() {
	var interVeil=document.getElementById("interVeil"); //reference veil
	//var standardbody=(document.compatMode=="CSS1Compat")? document.documentElement : document.body
	var standardbody=(document.compatMode=="CSS1Compat")? document.documentElement : document.body;
	if (document.compatMode=="CSS1Compat") {
		var ie=document.all && !window.opera
		var dom=document.getElementById
		var scroll_top=(ie)? standardbody.scrollTop : window.pageYOffset;
		var scroll_left=(ie)? standardbody.scrollLeft : window.pageXOffset;
		var docwidth=(ie)? document.documentElement.clientWidth : window.innerWidth;
		var docheight=(ie)? document.documentElement.clientHeight: window.innerHeight;
		var docheightcomplete=(document.documentElement.offsetHeight>document.documentElement.scrollHeight)? document.documentElement.offsetHeight : document.documentElement.scrollHeight;
	} else {
		var ie=document.all && !window.opera
		var dom=document.getElementById
		var scroll_top=(ie)? standardbody.scrollTop : window.pageYOffset;
		var scroll_left=(ie)? standardbody.scrollLeft : window.pageXOffset;
		var docwidth=(ie)? document.body.clientWidth : window.innerWidth;
		var docheight=(ie)? document.body.clientHeight: window.innerHeight;
		var docheightcomplete=(document.body.offsetHeight>document.body.scrollHeight)? document.body.offsetHeight : document.body.scrollHeight;
	}
	
	standardbody.style.overflow="hidden";
	interVeil.style.width=(docwidth+scroll_left)+"px"; //set up veil over page
	interVeil.style.height=(docheightcomplete+scroll_top)+"px"; //set up veil over page
	interVeil.style.left=0; //Position veil over page
	interVeil.style.top=0; //Position veil over page
	interVeil.style.display="block";
	interVeil.style.visibility="visible"; //Show veil over page
	interVeil.style.zIndex=99;
	opacity("interVeil", 0, 80, 500);
};

var fadeInterval;

function hideVeil() {
	opacity("interVeil", 80, 0, 500);
	fadeInterval = setInterval(closeVeil, 500);
}

function closeVeil() {
	interVeil.style.width="0px"; 
	interVeil.style.height="0px"; 
	interVeil.style.left=0; 
	interVeil.style.top=0;
	interVeil.style.visibility="hidden";
	interVeil.style.display="none";
	interVeil.style.zIndex=-1;
	var standardbody=(document.compatMode=="CSS1Compat")? document.documentElement : document.body;
	standardbody.style.overflow="auto";
	clearInterval(fadeInterval);
};

function loadwindow_delayed(url,width,height,strWhichWindow,intDelay) {
	
	loadIFrame(url,strWhichWindow);
	setTimeout("loadwindow('"+url+"',"+width+","+height+",'"+strWhichWindow+"')", intDelay);
}

function loadIFrame(url,strWhichWindow) {
	var strID;
	var intLen;
	strID = window.document.location.toString();
	intLen = strID.indexOf(url);
	strID = strID.substring(0, intLen);
	
	document.getElementById(strWhichWindow+"cframe").src=strID+url;
};

function loadwindow(url,width,height,strWhichWindow){

var standardbody=(document.compatMode=="CSS1Compat")? document.documentElement : document.body;
var ie=document.all && !window.opera;
var dom=document.getElementById;
var scroll_top=(ie)? standardbody.scrollTop : window.pageYOffset;
var scroll_left=(ie)? standardbody.scrollLeft : window.pageXOffset;
var docwidth=(ie)? standardbody.clientWidth : window.innerWidth;
var docheight=(ie)? standardbody.clientHeight: window.innerHeight;

document.getElementById(strWhichWindow).style.display='';
document.getElementById(strWhichWindow).style.width=initialwidth=width+"px";
document.getElementById(strWhichWindow).style.height=initialheight=height+"px";
document.getElementById(strWhichWindow).style.left=((docwidth/2-width/2)+scroll_left)+"px";
document.getElementById(strWhichWindow).style.top=((docheight/2-height/2)+scroll_top)+"px";
}


function closeit(strWhichWindow){
	document.getElementById(strWhichWindow).style.display="none";
	hideVeil();
	showSlideshow();
}

function launchListSignup() {
 	showVeil();
	loadwindow_delayed('subscribe.asp',400,385,'regwindow',1000);
};

function launchEventSubmission() {
	showVeil();
	loadwindow_delayed('submitEvent.asp',675,500,'regwindow',1000);
}; 

function launchHousingTourSignup() {
 	showVeil();
	loadwindow_delayed('housingTourSignup.asp',580,500,'housingtourwindow',1000);
};

function launchBusinessWalkingTourSignup() {
 	showVeil();
	loadwindow_delayed('businessWalkingTourSignup.asp',580,500,'businesswalkingtourwindow',1000);
};

function launchAskUsForm() {
 	showVeil();
	loadwindow_delayed('askUsForm.asp',410,750,'askuswindow',1000);
};