// JavaScript Document

/*
The code in this file or document and its designs, methods, data, know-how and all other related elements are the property of LUXSON ltd © Copyright 2009-2010 and/or may contain code operated under third party licence(s); unauthorised use is therefore prohibited, including (without limitation) copying, editing, adapting, reverse engineering or any other similar or related action, in part or in full. Separate rights may also exist for LUXSON and/or client and/or third party content and/or services. For licensing information please contact LUXSON ltd.
*/

var cenSize = 980
var overlap = 30;
var resizeInterval;

function startBg(){

	if(window.addEventListener){
		window.addEventListener("scroll", adjustForScroll, false);
		window.addEventListener("resize", adjustForResize, false);
	}else if(window.attachEvent){
		window.attachEvent("onscroll", adjustForScroll);
		window.attachEvent("onresize", adjustForResize);
	}else{
		alert("error: add/attach event");
	}
	
	var flashvars = {
		ws: 'left'
	};
	var params = {
		wmode: "transparent",
		scale: "noScale"
	};
	var attributes = false;
	swfobject.embedSWF("flash/liquid-sides.swf", "flashLeftBg", "100%", "100%", "8.0.0", "", flashvars, params, attributes);
	
	var flashvars2 = {
		ws: 'right'	
	};
	var params2 = {
		wmode: "transparent",
		scale: "noScale"
	};
	var attributes2 = false;
	swfobject.embedSWF("flash/liquid-sides.swf", "flashRightBg", "100%", "100%", "8.0.0", "", flashvars2, params2, attributes2);
	
	adjustForScroll();
	adjustForResize();
}

function getWindowSize(){
	var myWidth = 0, myHeight = 0;
	var results;
	
	if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
		//Non-IE
		myWidth = document.documentElement.clientWidth;
		myHeight = document.documentElement.clientHeight;
		//IE 6+ in 'standards compliant mode'
		myWidth = document.documentElement.clientWidth;
		myHeight = document.documentElement.clientHeight;
	} else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
		//IE 4 compatible
		myWidth = document.body.clientWidth;
		myHeight = document.body.clientHeight;
	}
	
	results = {w : myWidth, h : myHeight}
	return results;
}

function getScrollOffset(){
	var x,y;
	var results;
	
	if (self.pageYOffset) // all except Explorer
	{
		x = self.pageXOffset;
		y = self.pageYOffset;
	}
	else if (document.documentElement && document.documentElement.scrollTop)
		// Explorer 6 Strict
	{
		x = document.documentElement.scrollLeft;
		y = document.documentElement.scrollTop;
	}
	else if (document.body) // all other Explorers
	{
		x = document.body.scrollLeft;
		y = document.body.scrollTop;
	}
	
	results = {x : x, y : y};
	return results;
}

function getDocumentSize(){
	var docWidth = 0, docHeight = 0;
	var results;
	
	if(document.documentElement.style.height !== undefined){
		document.documentElement.style.height = 'auto';
	}else{
		document.body.style.height = 'auto';
	}
	
	docWidth = (document.width !== undefined) ? document.width : document.body.offsetWidth;
	docHeight = (document.height !== undefined) ? document.height : document.body.offsetHeight;
	
	results = {w : docWidth, h : docHeight};
	
	if(document.documentElement.style.height !== undefined){
		document.documentElement.style.height = '100%';
	}else{
		document.body.style.height = '100%';
	}
		
	return results;
}

function adjustForScroll(){
	scrollOff = getScrollOffset();
	document.getElementById("flashLeftBg").style.top = scrollOff.y+"px";
	document.getElementById("flashRightBg").style.top = scrollOff.y+"px";
};

function adjustForResize(){
	
	clearTimeout(resizeInterval);
	performResize();
	resizeInterval = setTimeout(performResize, 50);

}

function performResize(){
	winSize = getWindowSize();
	scrollOff = getScrollOffset();
	docSize = getDocumentSize();
	
	var tw = 0;
	var th = 0;
	
	if(winSize.w > cenSize){
		tw = winSize.w;
	}else{
		tw = cenSize;
	}
	
	th = winSize.h;
		
	document.getElementById("flashLeftBg").style.width = ((tw-cenSize)/2)+'px';
	document.getElementById("flashLeftBg").style.height = th+'px';
	
	if(cenSize+(2*overlap) < winSize.w){
		document.getElementById("flashCenBg").style.width = cenSize+(2*overlap)+'px';
		document.getElementById("flashCenBg").style.left = ((tw-cenSize)/2)-overlap+'px';
	}else{
		document.getElementById("flashCenBg").style.width = winSize.w+'px';
		document.getElementById("flashCenBg").style.left = '0px';
	}
	
	document.getElementById("flashCenBg").style.height = docSize.h+'px';
		
	document.getElementById("flashRightBg").style.height = th+'px';
	document.getElementById("flashRightBg").style.left = (((tw-cenSize)/2)+cenSize)+'px';
	//document.getElementById("flashRightBg").style.width = ((tw-cenSize)/2)+overlap+'px';
	document.getElementById("flashRightBg").style.width = tw-Math.floor((((tw-cenSize)/2)+cenSize))+'px';
}

function addRisizeLoadEvent(func) { 
  var oldonload = window.onload; 
  if (typeof window.onload != 'function') { 
	window.onload = func; 
  } else { 
	window.onload = function() { 
	  if (oldonload) { 
		oldonload(); 
	  } 
	  func(); 
	} 
  } 
} 
addRisizeLoadEvent(startBg);