function load_autoclicktrackframe() {
	if (document.getElementById('clicktrackframe')){
		php_file = srcPath + 'scripts/conv/autotracker.php';
		document.getElementById('clicktrackframe').src = php_file;
	}
	return;
}

var top_position_fs = 0;
var top_start_position = 0 ;
var footerY = 0;

function move_sky() {
	
	var scraper = document.getElementById("FlexSky");
	var skyLimiter = document.getElementById("foot");
	var top_start_offsetTop = document.getElementById("skyStart");
	
	if (top_start_offsetTop)
		top_start_offsetTop = absTop(top_start_offsetTop);
	
	if(scraper) {
		if(top_start_position <= 0 ) {
			tmp = findElementPosition(scraper);
			top_start_position = parseInt(tmp['curtop']);
		}
		
		var topbanner = document.getElementById('FlexTop').offsetHeight;
		if (!topbanner) topbanner = 0;
		currentY = (getViewportScrollY() < top_position_fs+ top_start_position) ? top_position_fs : getViewportScrollY()-topbanner;

		if (skyLimiter) {
			footerY = skyLimiter.offsetTop - top_start_offsetTop - scraper.offsetHeight - 12;
			if (footerY < 0) footerY = 0;
			if (currentY < 0) currentY = 0;
			if (currentY < footerY)	scraper.style.marginTop = currentY + "px";
			else scraper.style.marginTop = footerY + "px";
		} else scraper.style.marginTop = currentY + "px";
		window.setTimeout(move_sky, 25);
	}
}

function absTop(el) {
	return (el.offsetParent) ? el.offsetTop+absTop(el.offsetParent) : el.offsetTop;
}

function findElementPosition(obj) {

	var curleft = 0;
	var curtop = 0;
	if (obj.offsetParent) {
		curleft = obj.offsetLeft
		curtop = obj.offsetTop
		while (obj = obj.offsetParent) {
			curleft += obj.offsetLeft
			curtop += obj.offsetTop
		}
	}
	
	var param = new Object ();
	param['curleft'] = curleft ;
	param['curtop'] = curtop ;
	return param;
}

getViewportScrollY = function() {
	var scrollY = 0;
	if(document.documentElement && document.documentElement.scrollTop) {
		scrollY = document.documentElement.scrollTop;
	} else if(document.body && document.body.scrollTop) {
		scrollY = document.body.scrollTop;
	} else if(window.pageYOffset) {
		scrollY = window.pageYOffset;
	} else if(window.scrollY) {
		scrollY = window.scrollY;
	}
	return scrollY;
};
move_sky();