jquery制作弹窗提示窗口代码分享

<script type=”text/javascript” src=”js/jquery-1.7.1.min.js”></script>
<!–[if IE 6]>
<script type=”text/javascript” src=”js/iepngfix_tilebg.js”></script>
<![endif]–>
<script type=”text/javascript”>
function position(elem,l,t){
    var isIE6 = !-[1,] && !window.XMLHttpRequest;
    if(isIE6){
        var style = elem.style,
        dom  = ‘(document.documentElement)’,
        left = l – document.documentElement.scrollLeft,
        top  = t – document.documentElement.scrollTop;
        style.position = ‘absolute’;
        style.removeExpression(‘left’);
        style.removeExpression(‘top’);
        style.setExpression(‘left’, ‘eval(‘ + dom + ‘.scrollLeft + ‘ + left + ‘) + “px”‘);
        style.setExpression(‘top’, ‘eval(‘ + dom + ‘.scrollTop + ‘ + top + ‘) + “px”‘);
    }else{
        elem.style.position = ‘fixed’;
    }
}     
function scscms_alert(msg,sign,ok,can){
    var c_=false;//是否已经关闭窗口，解决自动关闭与手动关闭冲突
    sign=sign||””;
    var s=”<div id=’mask_layer’></div><div id=’scs_alert’><div id=’alert_top’></div><div id=’alert_bg’><table width=’260′ align=’center’ border=’0′ cellspacing=’0′ cellpadding=’1′><tr>”;
    if (sign!=””)s+=”<td width=’45’><div id=’inco_”+sign+”‘></div></td>”;
    s+=”<td id=’alert_txt’>”+msg+”</td></tr></table>”;
    if (sign==”confirm”){
        s+=”<a href=’javascript:void(0)’ id=’confirm_ok’>确 定</a><a href=’javascript:void(0)’ id=’confirm_cancel’>取 消</a>”;
    }else{
        s+=”<a href=’javascript:void(0)’ id=’alert_ok’>确 定</a>”
    }