https://planet-today.ru/templates/planet/js/adfox.asyn.code.scroll.js

1function AdFox_getWindowSize() {
2var winWidth,winHeight;
3	if( typeof( window.innerWidth ) == 'number' ) {
4		//Non-IE
5		winWidth = window.innerWidth;
6		winHeight = window.innerHeight;
7	} else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
8		//IE 6+ in 'standards compliant mode'
9		winWidth = document.documentElement.clientWidth;
10		winHeight = document.documentElement.clientHeight;
11	} else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
12		//IE 4 compatible
13		winWidth = document.body.clientWidth;
14		winHeight = document.body.clientHeight;
15	}
16	return {"width":winWidth, "height":winHeight};
17}//END function AdFox_getWindowSize
18
19function AdFox_getElementPosition(elemId){
20    var elem;
21    
22    if (document.getElementById) {
23		elem = document.getElementById(elemId);
24	}
25	else if (document.layers) {
26		elem = document.elemId;
27	}
28	else if (document.all) {
29		elem = document.all.elemId;
30	}
31    var w = elem.offsetWidth;
32    var h = elem.offsetHeight;	
33    var l = 0;
34    var t = 0;
35	
36    while (elem)
37    {
38        l += elem.offsetLeft;
39        t += elem.offsetTop;
40        elem = elem.offsetParent;
41    }
42
43    return {"left":l, "top":t, "width":w, "height":h};
44} //END function AdFox_getElementPosition
45
46function AdFox_getBodyScrollTop(){
47	return self.pageYOffset || (document.documentElement && document.documentElement.scrollTop) || (document.body && document.body.scrollTop);
48} //END function AdFox_getBodyScrollTop
49
50function AdFox_getBodyScrollLeft(){
51	return self.pageXOffset || (document.documentElement && document.documentElement.scrollLeft) || (document.body && document.body.scrollLeft);
52}//END function AdFox_getBodyScrollLeft
53
54function AdFox_Scroll(elemId,elemSrc){
55   var winPos = AdFox_getWindowSize();
56   var winWidth = winPos.width;
57   var winHeight = winPos.height;
58   var scrollY = AdFox_getBodyScrollTop();
59   var scrollX =  AdFox_getBodyScrollLeft();
60   var divId = 'AdFox_banner_'+elemId;
61   var ltwhPos = AdFox_getElementPosition(divId);
62   var lPos = ltwhPos.left;
63   var tPos = ltwhPos.top;
64
65   if(scrollY+winHeight+5 >= tPos && scrollX+winWidth+5 >= lPos){
66      AdFox_getCodeScript_scroll(1,elemId,elemSrc);
67	  }else{
68	     setTimeout('AdFox_Scroll('+elemId+',"'+elemSrc+'");',100);
69	  }
70}//End function AdFox_Scroll
71
72function AdFox_getCodeScript_scroll(AF_n, AF_id, AF_src) {
73    var
74        AF_doc, script = null;
75    if (AF_n < 10) {
76        try {
77            if (document.all && !window.opera) {
78                AF_doc = window.frames['AdFox_iframe_' + AF_id].document;
79            } else if (document.getElementById) {
80                AF_doc = document.getElementById('AdFox_iframe_' + AF_id).contentDocument;
81            }
82        } catch (e) {}
83        if (AF_doc && AF_doc.readyState == 'complete') {
84            AF_doc.close();
85            AF_doc.open();
86            AF_doc.write('<scr' + 'ipt onerror="document.close();" type="text/javascript" src="' + AF_src + '"><\/scr' + 'ipt>');
87        } else {
88            setTimeout('AdFox_getCodeScript_scroll(' + (++AF_n) + ',' + AF_id + ',"' + AF_src + '");', 100);
89        }
90    }
91}