<html><head><metahttp-equiv="Content-Type"content="text/html;charset=gb2312"/><title>greencss.com</title><scripttype="text/javascript">...functionsAlert(str,stitle)...{varmsgw,msgh,bordercolor;msgw=300;//提示窗口的宽度msgh=100;//提示窗口的高度titleheight=25//提示窗口标题高度bordercolor="#336699";//提示窗口的边框颜色titlecolor="#99CCFF";//提示窗口的标题颜色varsWidth,sHeight;sWidth=document.body.offsetWidth;//浏览器工作区域内页面宽度sHeight=screen.height;//屏幕高度(垂直分辨率)//背景层(大小与窗口有效区域相同,即当弹出对话框时,背景显示为放射状透明灰色)varbgObj=document.createElement("div");//创建一个div对象(背景层)//定义div属性,即相当于//<divid="bgDiv"style="position:absolute;top:0;background-color:#777;filter:progid:DXImagesTransform.Microsoft.Alpha(style=3,opacity=25,finishOpacity=75);opacity:0.6;left:0;width:918px;height:768px;z-index:10000;"></div>bgObj.setAttribute('id','bgDiv');bgObj.style.position="absolute";bgObj.style.top="0";bgObj.style.background="#777";bgObj.style.filter="progid:DXImageTransform.Microsoft.Alpha(style=2,opacity=25,finishOpacity=75";bgObj.style.opacity="0.6";bgObj.style.left="0";bgObj.style.width=sWidth+"px";bgObj.style.height=sHeight*2+"px";bgObj.style.zIndex="10000";document.body.appendChild(bgObj);//在body内添加该div对象varmsgObj=document.createElement("div")//创建一个div对象(提示框层)//定义div属性,即相当于//<divid="msgDiv"align="center"style="background-color:white;border:1pxsolid#336699;position:absolute;left:50%;top:50%;font:12px/1.6emVerdana,Geneva,Arial,Helvetica,sans-serif;margin-left:-225px;margin-top:npx;width:400px;height:100px;text-align:center;line-height:25px;z-index:100001;"></div>msgObj.setAttribute("id","msgDiv");msgObj.setAttribute("align","center");msgObj.style.background="white";msgObj.style.border="1pxsolid"+bordercolor;msgObj.style.position="absolute";msgObj.style.left="50%";msgObj.style.top="20%";msgObj.style.font="12px/1.6emVerdana,Geneva,Arial,Helvetica,sans-serif";msgObj.style.marginLeft="-225px";msgObj.style.marginTop=-75+document.documentElement.scrollTop+"px";msgObj.style.width=msgw+"px";msgObj.style.height=msgh+"px";msgObj.style.textAlign="center";msgObj.style.lineHeight="25px";msgObj.style.zIndex="10001";vartitle=document.createElement("h4");//创建一个h4对象(提示框标题栏)//定义h4的属性,即相当于//<h4id="msgTitle"align="right"style="margin:0;padding:3px;background-color:#336699;filter:progid:DXImageTransform.Microsoft.Alpha(startX=20,startY=20,finishX=100,finishY=100,style=1,opacity=75,finishOpacity=100);opacity:0.75;border:1pxsolid#336699;height:18px;font:12pxVerdana,Geneva,Arial,Helvetica,sans-serif;color:white;cursor:pointer;"onclick="">关闭</h4>title.setAttribute("id","msgTitle");title.setAttribute("align","right");title.style.margin="0";title.style.padding="3px";title.style.background=bordercolor;title.style.filter="progid:DXImageTransform.Microsoft.Alpha(startX=20,startY=20,finishX=100,finishY=100,style=1,opacity=75,finishOpacity=100);";title.style.opacity="0.75";title.style.border="1pxsolid"+bordercolor;title.style.height="18px";title.style.font="12pxVerdana,Geneva,Arial,Helvetica,sans-serif";title.style.color="white";title.style.cursor="pointer";title.innerHTML="关闭";title.onclick=removeObj;varbutton=document.createElement("input");//创建一个input对象(提示框按钮)//定义input的属性,即相当于//<inputtype="button"align="center"style="width:100px;align:center;margin-left:250px;margin-bottom:10px;"value="关闭">button.setAttribute("type","button");button.setAttribute("value","关闭");button.style.width="60px";button.style.align="center";button.style.marginLeft="250px";button.style.marginBottom="10px";button.style.background=bordercolor;button.style.border="1pxsolid"+bordercolor;button.style.color="white";button.onclick=removeObj;functionremoveObj()...{//点击标题栏触发的事件document.body.removeChild(bgObj);//删除背景层Divdocument.getElementById("msgDiv").removeChild(title);//删除提示框的标题栏document.body.removeChild(msgObj);//删除提示框层}document.body.appendChild(msgObj);//在body内添加提示框div对象msgObjdocument.getElementById("msgDiv").appendChild(title);//在提示框div中添加标题栏对象titlevartxt=document.createElement("p");//创建一个p对象(提示框提示信息)//定义p的属性,即相当于//<pstyle="margin:1em0;"id="msgTxt">测试效果</p>txt.style.margin="1em0"txt.setAttribute("id","msgTxt");txt.innerHTML="<ahref=http://www.myziy.com><imgborder=0src="+str+"></img></a>";//来源于函数调用时的参数值document.getElementById("msgDiv").appendChild(txt);//在提示框div中添加提示信息对象txtdocument.getElementById("msgDiv").appendChild(button);//在提示框div中添加按钮对象button}</script></head><body><ponclick="sAlert('logo.png','登录');">登陆</p></body></html>