var wp_htypes= '';
	var wp_rcBody= '';
	var ad_base= '';
	var wp_sky_open=false;
	var wp_brandlinkid='adbn_sky_listener';
    var mobParam = "from=&s=21454";
	if(mobParam.indexOf('{param}') == -1) enliple_param = mobParam;
	/* UtileMethod */
	function wp_createElement(tname, tid){
		var elem= document.createElement(tname);
		elem.id= tid;
        elem.style = 'text-align:center;';
		return elem;
	}
	function wp_createScript(src, fnOnReadyStateChange, fnOnLoad) {
		var sc=document.createElement('script');
		sc.type='text/javascript';
		sc.charset='euc-kr';
		sc.onreadystatechange=fnOnReadyStateChange
		sc.onload=fnOnLoad;
		sc.src=src;
		return sc;
	}
	function wp_addEvent(obj, type, listener) {
		if (window.addEventListener){
			obj.addEventListener(type, listener, false);
		} else {
			obj.attachEvent('on'+type, listener);
		}
	}
	function wp_getScrollTop() {
		var scrOfY = 0
		if (typeof(window.pageYOffset) == 'number') {
			scrOfY = window.pageYOffset;
	
		}else if (document.documentElement && document.documentElement.scrollTop) {
			scrOfY = document.documentElement.scrollTop;
	
		}else if (document.body && document.body.scrollTop) {
			scrOfY = document.body.scrollTop;
		}
		return scrOfY;
	}
	function wp_getScrollHeight(){
		var scrollHeight = document.compatMode == 'CSS1Compat' ? document.documentElement.scrollHeight : document.body.scrollHeight;
		if( enliple_param.indexOf("&s=6953")>-1 ) {				// ?????? ????
			scrollHeight = document.querySelectorAll('#bodyWrapper')[0].scrollHeight;
		}
		return scrollHeight;
	}
	function wp_getClientHeigth() {
		return document.compatMode=='CSS1Compat'? document.documentElement.clientHeight : document.body.clientHeight; 
	}
	function wp_req(sUrl, fnSuccess, fnFail) {
		
	}
	/* ControlMethod */
	function wp_checkLoadImage(){			//	?? ????? Document ??
		var rcAdStr='';
		if (wp_htypes=='script'){
			document.getElementById( wp_brandlinkid ).innerHTML="<sc"+"ript src='"+wp_rcBody+"'></sc"+"ript>";
		}else{
			try {
				if(wp_rcBody!='')	rcAdStr+=wp_rcBody;
				if(rcAdStr!=''){
					document.getElementById( wp_brandlinkid ).innerHTML=rcAdStr;
				}
			} catch(e) {
			}
		}
	}
	
	function wp_display(iframeHeight){
		var iframeName = 'widthPang';
		var widthPang=document.getElementById( iframeName );
		widthPang.height=0;
		widthPang.width= '100%';

		var fnSetHeightOfWidthPang = function(height) {
			setTimeout(function(){
				widthPang.height = height;
				scrollTo(0, wp_getScrollHeight());
			}, 1);
		}
		
		var fnSetAniHeightOfWidthPang = function (height) {
			jQuery("#"+ iframeName).animate({height:height}, 
					{duration: 1000,
					 step		 : function(){	scrollTo(0, wp_getScrollHeight());	}, 
					 complete: function(){	scrollTo(0,  wp_getScrollHeight());	}		});
		}
		
		
		if( enliple_param.indexOf("&s=1043")>-1 ) {					// ???? ????
			fnSetHeightOfWidthPang(iframeHeight);
		}else{
			try {
				fnSetAniHeightOfWidthPang(iframeHeight);
			}catch(e) {
				fnSetHeightOfWidthPang(iframeHeight);
			}
		}

	}
	
	function wp_loadListener() {
		/* add script section */
		if( enliple_param.indexOf("&s=6953")>-1 ) {					// ?????? ????
			document.querySelectorAll('#bodyWrapper')[0].appendChild(wp_createElement('div', wp_brandlinkid ));
		}else{
			document.getElementsByTagName('body')[0].appendChild(wp_createElement('div', wp_brandlinkid ));
		}
		
		var fnOnScroll = function() { 
			var scrollTop = wp_getScrollTop();
			var clientHeight = wp_getClientHeigth();
			var scrollHeight = wp_getScrollHeight();
			/* define scroll hight */
			var scrollPos= parseInt(scrollHeight) - parseInt(scrollTop); 
	
			/* define bottom */
			var roundFoot = 500;
			if( enliple_param.indexOf("&s=1043")>-1 || enliple_param.indexOf("&s=6953")>-1 ) {				// ????, ?????? ????
				roundFoot = 10;
			}else if (enliple_param.indexOf("&s=4519")>-1 ) {		// ???? ????
				roundFoot = 600;
			}else if (enliple_param.indexOf("&s=14637")>-1 || enliple_param.indexOf("&s=12902")>-1 || enliple_param.indexOf("&s=14638")>-1 ) {		// ??? ?? ????
				roundFoot = 1000;
			}

			if( clientHeight >= scrollPos-roundFoot ) {
				if( wp_sky_open == false ){ 
					wp_sky_open=true; 
					var ld=false;
					
					function receiveMessage(event) {
						if (event.origin.split("//")[1] !== "www.mediacategory.com") 	return;
						if (event.data === undefined 
								|| event.data.iframe === undefined 
								|| event.data.iframe.height === undefined)		return;
						
						wp_display(event.data.iframe.height);
					} 
					
					if ('addEventListener' in window) { 
						window.addEventListener('message', receiveMessage, false); 
					} else if ('attachEvent' in window) {	//IE 
						window.attachEvent('onmessage', receiveMessage);
					} 
					
					document.getElementById( wp_brandlinkid ).innerHTML = "<iframe name='widthPang' id='widthPang' src='//www.mediacategory.com/servlet/sadbnFrame?" + enliple_param  +"' marginheight='0' marginwidth='0' scrolling='no' width='1200px' height='0px' frameborder='0'></iframe>";
				}
			} 
		};
		
		wp_addEvent(window, 'scroll', fnOnScroll);
	}
	
	
	
	wp_loadListener();