< html > < head > < meta http-equiv ="Content-Type" content ="text/html; charset=gb2312" /> < title > greencss.com </ title > < script type ="text/javascript" > ... function sAlert(str,stitle)...{var msgw,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var sWidth,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)var bgObj=document.createElement("div");//创建一个div对象(背景层)//定义div属性,即相当于//<div id="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var msgObj=document.createElement("div")//创建一个div对象(提示框层)//定义div属性,即相当于//<div id="msgDiv" align="center" style="background-color:white; border:1px solid #336699; position:absolute; left:50%; top:50%; font:12px/1.6em Verdana,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="1px solid " + bordercolor;msgObj.style.position = "absolute";msgObj.style.left = "50%";msgObj.style.top = "20%";msgObj.style.font="12px/1.6em Verdana, 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";var title=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//<h4 id="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:1px solid #336699; height:18px; font:12px Verdana,Geneva,Arial,Helvetica,sans-serif; color:white; cursor:pointer;" οnclick="">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="1px solid " + bordercolor;title.style.height="18px";title.style.font="12px Verdana, Geneva, Arial, Helvetica, sans-serif";title.style.color="white";title.style.cursor="pointer";title.innerHTML="关闭";title.onclick=removeObj;var button=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//<input type="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="1px solid "+ bordercolor;button.style.color="white";button.onclick=removeObj;function removeObj()...{//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titlevar txt=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//<p style="margin:1em 0;" id="msgTxt">测试效果</p>txt.style.margin="1em 0"txt.setAttribute("id","msgTxt");txt.innerHTML="<a href=http://www.myziy.com><img border=0 src="+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 > < p onclick ="sAlert('logo.png','登录');" > 登陆 </ p > </ body > </ html >