请教高手帮助解决一个问题！

这段代码是个弹出框，但是弹出后居于页面的上下左右居中，请问如何定位这个弹出框？比如距离顶部100像素。 

function ShowIframe(title,url,w,h)
 {
        var pop=new Popup({ contentType:1,scrollType:'no',isReloadOnClose:false,width:w,height:h});
        pop.setContent("contentUrl",url);
        pop.setContent("title",title);
    
        pop.build();
        pop.show();
         }



 上传图片

回复讨论(解决方案)

popup是什么 看样子是某种js插件？
如果是，百度一下应该有使用方法文档的

popup是什么 看样子是某种js插件？
如果是，百度一下应该有使用方法文档的

搜过了，没有找到解决的办法

贴出 Popup 的定义

///******************* popup.js********************/
///修正ie5、ie6、ie7、firefox3.0 兼容问题
///************************************************/
if(!Array.prototype.push){Array.prototype.push=function(){var startLength=this.length;for(var j=0;j';var cB='filter: alpha(opacity='+this.info.coverOpacity+');opacity:'+this.info.coverOpacity/100+';';var cover='

接上楼

style="position:absolute;top:0px;left:0px;width:100%;height:100%;z-index:'+baseZIndex+';'+cB+'background-color:'+this.color.cColor+';display:none;">

';var mainBox='

';if(this.config.isHaveTitle){mainBox+=''}else{mainBox+=''};mainBox+='

'+''+'

'+this.info.title+'

'+close+'

'+close+'

'+'

';if(!this.config.isBackgroundCanClick){G('dialogCase').innerHTML=cover+mainBox;this.setBackgroundSize();window.onresize=this.setBackgroundSize;}else{G('dialogCase').innerHTML=mainBox;}Event.observe(G('dialogBoxClose'),"click",this.reset.bindAsEventListener(this),false);if(this.config.isSupportDraging){dropClass=new Dragdrop(this.config.width,this.config.height,this.info.shadowWidth,this.config.isSupportDraging,this.config.contentType);G("dialogBoxTitle").style.cursor="move"};this.lastBuild()},setBackgroundSize:function(){var getValueWidth;var getMaxValueWidth=[getValue("clientWidth"),getValue("scrollWidth")];getValueWidth=eval("Math.max("+getMaxValueWidth.toString()+")");G('dialogBoxBG').style.width=getValueWidth;var getValueHeight;var getMaxValueHeight=[getValue("clientHeight"),getValue("scrollHeight")];getValueHeight=eval("Math.max("+getMaxValueHeight.toString()+")");G('dialogBoxBG').style.height=getValueHeight;},lastBuild:function(){var confirm='

'+this.info.confirmCon+'

 

';var alert='

'+this.info.alertCon+'

';var baseZIndex=10001+this.info.overlay*10;var coverIfZIndex=baseZIndex+4;if(this.config.contentType==1){var openIframe="";var coverIframe="

";G("dialogBody").innerHTML=openIframe+coverIframe;}else if(this.config.contentType==2){G("dialogBody").innerHTML=this.info.contentHtml;}else if(this.config.contentType==3){G("dialogBody").innerHTML=confirm;Event.observe(G('dialogOk'),"click",this.forCallback.bindAsEventListener(this),false);Event.observe(G('dialogCancel'),"click",this.close.bindAsEventListener(this),false);}else if(this.config.contentType==4){G("dialogBody").innerHTML=alert;Event.observe(G('dialogYES'),"click",this.close.bindAsEventListener(this),false);};},reBuild:function(){G('dialogBody').height=G('dialogBody').clientHeight;this.lastBuild()},show:function(){this.hiddenSome();this.middle();if(this.config.isShowShadow)this.shadow()},forCallback:function(){return this.info.callBack(this.info.parameter)},shadow:function(){var oShadow=G('dialogBoxShadow');var oDialog=G('dialogBox');oShadow['style']['position']="absolute";oShadow['style']['background']="#000";oShadow['style']['display']="";oShadow['style']['opacity']="0.2";oShadow['style']['filter']="alpha(opacity=20)";oShadow['style']['top']=oDialog.offsetTop+this.info.shadowWidth+"px";oShadow['style']['left']=oDialog.offsetLeft+this.info.shadowWidth+"px";oShadow['style']['width']=oDialog.offsetWidth+"px";oShadow['style']['height']=oDialog.offsetHeight+"px";},middle:function(){if(!this.config.isBackgroundCanClick)G('dialogBoxBG').style.display='';var oDialog=G('dialogBox');oDialog['style']['position']="absolute";oDialog['style']['display']='';var sClientWidth=getValue("clientWidth");var sClientHeight=getValue("clientHeight");var sScrollTop=getValue("scrollTop");var sleft=(sClientWidth/2)-(oDialog.offsetWidth/2);var iTop=(sClientHeight/2+sScrollTop)-(oDialog.offsetHeight/2);var sTop=iTop>0?iTop:(sClientHeight/2+sScrollTop)-(oDialog.offsetHeight/2);if(sTop

接上楼

parseInt(this.oObj.style.top)+25)iTop=iTop+12;this.oObj.style.left=iLeft+"px";this.oObj.style.top=iTop+"px";;if(this.showShadow){G('dialogBoxShadow').style.left=iLeft+this.shadowWidth+"px";G('dialogBoxShadow').style.top=iTop+this.shadowWidth+"px";};this.dragData={x:Event.pointerX(event),y:Event.pointerY(event)};document.body.style.cursor="move";},mouseup:function(event){if(!this.IsDraging)return;if(this.contentType==1)G("iframeBG").style.display="none";document.onmousemove=null;document.onmouseup=null;var mousX=Event.pointerX(event)-(document.documentElement.scrollLeft||document.body.scrollLeft);var mousY=Event.pointerY(event)-(document.documentElement.scrollTop||document.body.scrollTop);var oObjBottom;var oObjRight;if(this.showShadow){oObjBottom=parseInt(this.oObj.style.top)+this.height+this.shadowWidth;oObjRight=parseInt(this.oObj.style.left)+this.width+this.shadowWidth;}else{oObjBottom=parseInt(this.oObj.style.top)+this.height;oObjRight=parseInt(this.oObj.style.left)+this.width;};if(mousXdocument.body.clientWidth||mousY>document.body.clientHeight||parseInt(this.oObj.style.left)document.body.clientWidth||oObjBottom>document.body.clientHeight){this.oObj.style.left=this.backData["x"];this.oObj.style.top=this.backData["y"];if(this.showShadow){G('dialogBoxShadow').style.left=this.backData.x+this.shadowWidth;G('dialogBoxShadow').style.top=this.backData.y+this.shadowWidth;};};this.IsDraging=false;document.body.style.cursor="";Event.stopObserving(document,"selectstart",this.returnFalse,false);},returnFalse:function(){return false;}};function openshow(url,title,w,h,stype){g_pop=new Popup({contentType:stype,isReloadOnClose:false,width:w,height:h});g_pop.setContent("title",title);g_pop.setContent("contentUrl",url);g_pop.build();g_pop.show();}function g_close_pop_re(){g_pop.close();location.reload();}function Comment(url,w,h){g_pop=new Popup({contentType:1,isReloadOnClose:false,width:w,height:h});g_pop.setContent("title","登陆");g_pop.setContent("scrollType","no");g_pop.setContent("contentUrl",url);g_pop.build();g_pop.show();}function g_close_pop(){g_pop.close();g_pop=null;}function ShowAlert(title,content,w,h){var pop=new Popup({contentType:4,isReloadOnClose:false,width:w,height:h});pop.setContent("title",title);pop.setContent("alertCon",content);pop.build();pop.show();}function Wclose(){g_pop.close();g_pop=null;}

直接用Chrome等浏览器的开发者工具来查看Popup生成的HTML，然后直接定义相应的CSS样式就行了。

直接用Chrome等浏览器的开发者工具来查看Popup生成的HTML，然后直接定义相应的CSS样式就行了。

当然，这是暴力方法，但绝对有效。可能Popup插件本身就有定位的方法，但是懒得去研究查找。

那么多Popup插件，没文档不知道换一个插件么？