var posCur = function(e){
  	
	this.x = (navigator.appName.substring(0,3) == "Net") ? e.pageX : event.x+document.body.scrollLeft;
	this.y = (navigator.appName.substring(0,3) == "Net") ? e.pageY : event.y+document.body.scrollTop;
	
	return this;
  }
  

window.onload = function(){
  	
	var bgImg = document.getElementById('background');
	var domCtn = document.getElementById('ctnScroll');
	
	
	bgImg.style.width = document.body.offsetWidth + 200 + 'px';
	
	if(domCtn.offsetHeight > bgImg.offsetHeight){
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		bgImg.style.height = domCtn.offsetHeight + 'px';
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	/*
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	-webkit-box-shadow: 10 0 6px #979797;
	/*/
	
	window.onresize = function(){
		bgImg.style.width = document.body.offsetWidth + 200 + 'px';
		

		
		if(domCtn.offsetHeight > bgImg.offsetHeight){
			bgImg.style.width = 'auto';
			bgImg.style.height = domCtn.offsetHeight-5 + 'px';
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		else{
			bgImg.style.height = 'auto';
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	}
}

if(!document.getElementsByClassName){
	
	document.getElementsByClassName = function(className){
		
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		for(ta=0;ta<elements.length;ta++)(elements[ta].className == className)?result.push(elements[ta]):''
		
		return result;
		
	}
	
}