/*===========================
文件用途：客户端广告脚本文件
===========================*/


function $(id) {return document.getElementById(id);}
function $S(id) {var t=$(id);if (t){return t.style;}else{return null;}}

function displayoff(Num) {
	if (Num == 1) {
		$("couplet_right1").style.display="none";
		$("couplet_left1").style.display="none";
	}
	else {
		if (Num == 0){
			$("couplet_right").style.display="none";
			$("couplet_left").style.display="none";
		}
	}
}

function floatRefresh() {
	diffY = document.documentElement.scrollTop;
	percent =.1*(diffY-lastScrollY);
	if(percent>0){
		percent = Math.ceil(percent);
	}else{
		percent = Math.floor(percent);
	}
	if ($("couplet_left")){
	$("couplet_left").style.pixelTop += percent;
	}
	if ($("couplet_right")){
	$("couplet_right").style.pixelTop += percent;
	}
	if ($("couplet_left1")){
	$("couplet_left1").style.pixelTop += percent;
	}
	if ($("couplet_right1")){
	$("couplet_right1").style.pixelTop += percent;
	}
	lastScrollY = lastScrollY + percent;
}
//JS主体
if(document.documentElement.offsetWidth>800){
	if (ad_couplet_left_src!=""){
		document.write('<div id="couplet_left" style="border:#999999;position: absolute;visibility:visible;z-index:1;text-align:center;">');
		document.write('<a style="border:#999999" href="'+ad_couplet_left_url+'" target="_blank"><img src="' + ad_couplet_left_src + '" style="display:block;" /></a>');
		document.write('<a style="cursor:pointer" onclick="displayoff(0);">关闭</a></div>');
		$("couplet_left").style.top=145;//左边广告距顶位置
		$("couplet_left").style.left=10;//左边广告距左位置
	}else{
		if (ad_couplet_right_src!=""){
			document.write('<div id="couplet_left" style="border:#999999;position: absolute;visibility:visible;z-index:1;text-align:center;">');
			document.write('</div>');
			$("couplet_left").innerHTML=$("couplet_right").innerHTML
			$("couplet_left").style.top=145;//左边广告距顶位置
			$("couplet_left").style.left=10;//左边广告距左位置
		}
	}
	if (ad_couplet_right_src!=""){
		document.write('<div id="couplet_right" style="position: absolute;visibility:visible;z-index:1;text-align:center;">');
		document.write('<a href="'+ad_couplet_right_url+'" target="_blank"><img src="' + ad_couplet_right_src + '" style="display:block;" /></a>');
		document.write('<a onclick="displayoff(0);" style="cursor:pointer">关闭</a></div>');
		$("couplet_right").style.top=145;//右边广告距顶位置
		$("couplet_right").style.right=10;//右边广告距右位置
	}else{
		if (ad_couplet_left_src!=""){
			document.write('<div id="couplet_right" style="position: absolute;visibility:visible;z-index:1;text-align:center;">');
			document.write('</div>');
			$("couplet_right").innerHTML=$("couplet_left").innerHTML
			$("couplet_right").style.top=145;//右边广告距顶位置
			$("couplet_right").style.right=10;//右边广告距右位置
		}
	}
	if (ad_couplet_left1_src!=""){
		document.write('<div id="couplet_left1" style="border:#999999;position: absolute;visibility:visible;z-index:1;text-align:center;">');
		document.write('<a style="border:#999999" href="'+ad_couplet_left1_url+'" target="_blank"><img src="' + ad_couplet_left1_src + '" style="display:block;" /></a>');
		document.write('<a style="cursor:pointer" onclick="displayoff(1);">关闭</a></div>');
		$("couplet_left1").style.top=305;//左边广告距顶位置
		$("couplet_left1").style.left=10;//左边广告距左位置
	}else{
		if (ad_couplet_right1_src!=""){
			document.write('<div id="couplet_left1" style="border:#999999;position: absolute;visibility:visible;z-index:1;text-align:center;">');
			document.write('</div>');
			$("couplet_left1").innerHTML=$("couplet_right1").innerHTML
			$("couplet_left1").style.top=305;//左边广告距顶位置
			$("couplet_left1").style.left=10;//左边广告距左位置
		}
	}
	if (ad_couplet_right1_src!=""){
	document.write('<div id="couplet_right1" style="position: absolute;visibility:visible;z-index:1;text-align:center;">');
	document.write('<a href="'+ad_couplet_right1_url+'" target="_blank"><img src="' + ad_couplet_right1_src + '" style="display:block;"></a>');
	document.write('<a style="cursor:pointer" onclick="displayoff(1);">关闭</a></div>');
	$("couplet_right1").style.top=305;//右边广告距顶位置
	$("couplet_right1").style.right=10;//右边广告距右位置
	}else{
		if (ad_couplet_left1_src!=""){
			document.write('<div id="couplet_right1" style="position: absolute;visibility:visible;z-index:1;text-align:center;">');
			document.write('</div>');
			$("couplet_right1").innerHTML=$("couplet_left1").innerHTML
			$("couplet_right1").style.top=305;//右边广告距顶位置
			$("couplet_right1").style.right=10;//右边广告距右位置
		}
	}
	if (ad_couplet_left_src!="" || ad_couplet_right_src!="" || ad_couplet_left1_src!="" || ad_couplet_right1_src!=""){
		var lastScrollY = 0;
		window.setInterval("floatRefresh()",1);
	}

}

/*对联广告JS结束*/