// JavaScript Document


 function resizeWin(newLoc, newWidth, newHeight) {
         newWin = open("",newLoc,"scrollbars=no,resizable=yes,status=no,height=" + newHeight + ",width=" + newWidth);
 }
 
 popUpWindow = function(URL,windowName,width,height) {
	var w = screen.availWidth;
	var h = screen.availHeight;
	var leftPos = Math.round((w-width)/2);
	var topPos = Math.round((h-height)/2);
	
	var defaults = "scrollbars, resizable";
	var centerOnScreen = "top="+topPos+", left="+leftPos+", width="+width+", height="+height;
	var options = centerOnScreen + " ," + defaults;
	var msgWindow = window.open(URL,windowName,options);
	if(!msgWindow) {
		return false;
	} else {
		msgWindow.creator=self;
		msgWindow.focus();
	}
  return true;
};


 
 if (document.images) {
  
  pic0= new Image(); 
  pic0.src="images/films_on.gif"; 
  
  pic1= new Image(); 
  pic1.src="images/token_on.gif"; 
  
  pic2= new Image(); 
  pic2.src="images/boxoffice_on.gif";
  
  pic3= new Image(); 
  pic3.src="images/order_on.gif"; 
  
  pic4= new Image(); 
  pic4.src="images/home_on.gif"; 
  
}


function lightup(imgName) {
	if(document.images) {
		imgOn=eval(imgName + ".src");
		document[imgName].src= imgOn;
	}
 }

function turnoff(imgName) {
	if(document.images) {
		document[imgName].src = document[imgName].src.replace(/_on.gif/g, ".gif");
	}
 }

function toggle(divID, iState) // 1 visible, 0 hidden
{
   var obj = document.layers ? document.layers[divID] :
   document.getElementById ?  document.getElementById(divID).style :
   document.all[divID].style;
   obj.visibility = document.layers ? (iState ? "show" : "hide") :
   (iState ? "visible" : "hidden");
}

function PageQuery(q) {
	if(q.length > 1) 
		this.q = q.substring(1, q.length);
	else 
		this.q = null;
	this.keyValuePairs = new Array();
	if(q) {
		for(var i=0; i < this.q.split("&").length; i++) {
			this.keyValuePairs[i] = this.q.split("&")[i];
		}
	}
	this.getKeyValuePairs = function() { 
		return this.keyValuePairs; 
	}
	this.getValue = function(s) {
		for(var j=0; j < this.keyValuePairs.length; j++) {
			if(this.keyValuePairs[j].split("=")[0] == s)
				return this.keyValuePairs[j].split("=")[1];
		}
		return false;
	}
	this.getParameters = function() {
		var a = new Array(this.getLength());
		for(var j=0; j < this.keyValuePairs.length; j++) {
			a[j] = this.keyValuePairs[j].split("=")[0];
		}
		return a;
	}
		this.getLength = function() { return this.keyValuePairs.length; } 
}

function queryString(key) {
	var page = new PageQuery(window.location.search);  
	return unescape(page.getValue(key)); 
}

function displayFilm(key) {
	
	if(queryString(key)!='false') {			
		toggle('rollover' + queryString(key),1);
		
	} 
}