/*--------------------------------------------------|

| img-float 1.0.5   http://www.huisi-cn.com     |

|---------------------------------------------------|

| Copyright (c) 2002-2006                           |

|                                                   |

| Author : wuyang                                   |

|                                                   |

| Updated: 2005.12.10                               |

|--------------------------------------------------*/

///////////////////////////////////////////////////

//窗口左右滚动图片

//

//调用方法：

//var img = new ImgFloat("IMG");

//img.SetLeftImg("images/cddjd2.gif","","5","130");//图片位置、链接地图、默认left位置，top位置

//img.SetRightImg("images/cddjd2.gif","","5","130");//图片位置、链接地图、默认right位置，top位置

//img.run();

//

//参数说明：

//var img = new ImgFloat("IMG");//可以是两种图片方式，值只能是IMG,SWF

////////////////////////////////////////////////



var vlastScrollX = 0,vlastScrollY = 0;



document.ns = navigator.appName == "Microsoft Internet Explorer"

function CloseDivLeft() {

    couplet_left.style.display = 'none';

}

function CloseDivRight() {

    couplet_right.style.display = 'none';

}



function startAD() {

    var vdiffY = document.body.scrollTop,vdiffX = document.body.scrollLeft;

    if (vdiffY != vlastScrollY) {

        vpercent = .1 * (vdiffY - vlastScrollY);

        if (vpercent > 0) vpercent = Math.ceil(vpercent);

        else vpercent = Math.floor(vpercent);

        if(document.all("couplet_left"))couplet_left.style.pixelTop += vpercent;

        if(document.all("couplet_right"))couplet_right.style.pixelTop += vpercent;

        vlastScrollY = vlastScrollY + vpercent;

    }

    if (vdiffX != vlastScrollX) {

        vpercent = .1 * (vdiffX - vlastScrollX);

        if (vpercent > 0) vpercent = Math.ceil(vpercent);

        else vpercent = Math.floor(vpercent);

        if(document.all("couplet_left"))couplet_left.style.pixelTop += vpercent;

        if(document.all("couplet_right"))couplet_right.style.pixelTop += vpercent;

        vlastScrollX = vlastScrollX + vpercent;

    }

    setTimeout(startAD, 4);

}





function doCouplet() {

    if (document.ns) {

		try{

        if(document.all("couplet_left"))couplet_left.style.visibility = 'visible';

        if(document.all("couplet_right"))couplet_right.style.visibility = 'visible';

        startAD();

		}catch(err){alert(err)}

    }

}



/////////////////////////////

function ImgFloat(imgtype) {

    this.ImgType = imgtype == "SWF"?"SWF":"IMG";

    this.ImgWidth = 50;

    this.ImgHeight = 150;

}



function ImgFloat(imgtype, width, height) {

    this.ImgType = imgtype == "SWF"?"SWF":"IMG";

    this.ImgWidth = width;

    this.ImgHeight = height;

}



ImgFloat.prototype.SetLeftImg = function(ImgSrc, ImgLink, ImgLeft, ImgTop) {

    if (ImgSrc.indexOf(".swf") > -1 || ImgSrc.indexOf(".SWF") > -1) {

        document.write('<DIV id=couplet_left style="Z-INDEX: 1; VISIBILITY: hidden; POSITION: absolute;top:' + ImgTop + ';left:' + ImgLeft + '"><EMBED id=sinadl  pluginspage=http://www.macromedia.com/go/getflashplayer src=' + ImgSrc + ' type=application/x-shockwave-flash wmode="opaque" quality="high" width=' + this.ImgWidth + ' height=' + this.ImgHeight + '></EMBED><br><center><a href=# onclick="CloseDivLeft()" style="font-size:12px">关闭</a></center></DIV>');

    } else {

        document.write('<DIV id=couplet_left style="Z-INDEX: 1; VISIBILITY: hidden; POSITION: absolute;top:' + ImgTop + ';left:' + ImgLeft + '"><a href="' + ImgLink + '" target=_blank><img src="' + ImgSrc + '" border=0 ></a><br><center><a href="#" onclick="CloseDivLeft()" style="font-size:12px">关闭</a></center></DIV>');

    }

}



ImgFloat.prototype.SetRightImg = function(ImgSrc, ImgLink, ImgRight, ImgTop) {

    var top1 = ImgTop == ""?"130":ImgTop;

    if (ImgSrc.indexOf(".swf") > -1 || ImgSrc.indexOf(".SWF") > -1) {

        document.write('<DIV id=couplet_right style="Z-INDEX: 1; VISIBILITY: hidden; POSITION: absolute;top:' + ImgTop + ';right:' + ImgRight + '""><EMBED id=sinadl  pluginspage=http://www.macromedia.com/go/getflashplayer src=' + ImgSrc + '  width=' + this.ImgWidth + ' height=' + this.ImgHeight + ' type=application/x-shockwave-flash wmode="opaque" quality="high"></EMBED><br><center><a href=# onclick="CloseDivRight()" style="font-size:12px">关闭</a></center></DIV>');

    } else {

        document.write('<DIV id=couplet_right style="Z-INDEX: 1; VISIBILITY: hidden; POSITION: absolute ;top:' + ImgTop + ';right:' + ImgRight + '"><a href="' + ImgLink + '" target=_blank><img src="' + ImgSrc + '" border=0 ></a><br><center><a href=# onclick="CloseDivRight()" style="font-size:12px">关闭</a></center></DIV>');

    }

}



ImgFloat.prototype.run = function() {

    //开始控制flash关闭钮

    document.write('<SCRIPT language=JavaScript event=FSCommand() for=sinadl>');

    if(document.all("couplet_left"))document.write('couplet_left.style.visibility="hidden";');

    if(document.all("couplet_right"))document.write('couplet_right.style.visibility="hidden";');

    document.write('</SCRIPT>');

    //结束控制flash关闭钮

    doCouplet();

}