common.js

本实例为一个完整的网上购物商城的完整例子程序,里面有所以的源代码.希望对大家学习有用.

/******************************************************************************
Crossday Discuz! Board - Common Modules for Discuz!
Modified by: Crossday Studio(http://crossday.com)
Based upon:  http://www.cnzzz.com
*******************************************************************************/
var sPop = null; 
var postSubmited = false; 
document.write("<style type='text/css'id='defaultPopStyle'>"); 
document.write(".cPopText { font-family: Tahoma, 宋体;background-color: #FFFFCC; border: 1px #000000 solid; font-size: 12px; padding-right: 4px; padding-left: 4px; height: 20px; padding-top: 2px; padding-bottom: 2px; visibility: hidden; filter: Alpha(Opacity=80)}");
document.write("</style>"); 
document.write("<div id='popLayer' style='position:absolute; z-index:1000' class='cPopText'></div>"); 
function showPopupText()
{ 
        var o=event.srcElement;
        MouseX=event.x;
        MouseY=event.y;
        if(o.alt != null && o.alt != "")
        {
                o.pop=o.alt; o.alt=""
        }
        if(o.title != null && o.title != "")
        {
                o.pop=o.title; o.title=""
        }
        if(o.pop)
        {
                o.pop=o.pop.replace("\n", "<br>"); o.pop=o.pop.replace("\n", "<br>");
        }
        if(o.pop != sPop)
        {
                sPop=o.pop;
                if(sPop == null || sPop == "")
                {
                        popLayer.style.visibility="hidden";
                }
                else
                {
                        if(o.dyclass != null)popStyle=o.dyclass
                                else popStyle="cPopText";
                                popLayer.style.visibility="visible";
                        showIt();
                }
        }
}
function showIt()
{
        popLayer.className=popStyle;
        popLayer.innerHTML=sPop;
        popWidth=popLayer.clientWidth;
        popHeight=popLayer.clientHeight;
        if(MouseX+12+popWidth>document.body.clientWidth)popLeftAdjust=-popWidth-24
                else popLeftAdjust=0;
                if(MouseY+12+popHeight>document.body.clientHeight)popTopAdjust=-popHeight-24
                else popTopAdjust=0;
                popLayer.style.left=MouseX+12+document.body.scrollLeft+popLeftAdjust;
        popLayer.style.top=MouseY+12+document.body.scrollTop+popTopAdjust;
}
function ctlent(obj)
{
        if(postSubmited == false && (event.ctrlKey && window.event.keyCode == 13) || (event.altKey && window.event.keyCode == 83))
        {
                if(this.document.input.pmsubmit)
                {
                        postSubmited = true;
                        this.document.input.pmsubmit.disabled = true;
                        this.document.input.submit();
                }
                else if(validate(this.document.input))
                {
                        postSubmited = true;
                        if(this.document.input.newthread)this.document.input.newthread.disabled = true;
                                if(this.document.input.newreply)this.document.input.newreply.disabled = true;
                                if(this.document.input.editpost)this.document.input.editpost.disabled = true;
                                this.document.input.submit();
                }
        }
}
function checkall(form)
{
        for(var i = 0; i < form.elements.length; i++)
        {
                var e = form.elements[i];
                if(e.name != 'chkall')e.checked = form.chkall.checked;
        }
}
function copycode(obj)
{
        var rng = document.body.createTextRange();
        rng.moveToElementText(obj);
        rng.scrollIntoView();
        rng.select();
        rng.execCommand("Copy");
        rng.collapse(false);
}
function runEx(cod1)
{
        cod=document.all(cod1)
        var code=cod.value;
        if(code != "")
        {
                var newwin=window.open('', '', '');
                newwin.opener = null
                newwin.document.write(code);
                newwin.document.close();
        }
}
nereidFadeObjects = new Object();
nereidFadeTimers = new Object();
function nereidFade(object, destOp, rate, delta)
{
        if(!document.all)
                return
        if(object != "[object]")
        {
                //do this so I can take a string too
                setTimeout("nereidFade("+object+","+destOp+", "+rate+", "+delta+")",0);
                return;
        }
        clearTimeout(nereidFadeTimers[object.sourceIndex]);
        diff = destOp-object.filters.alpha.opacity;
        direction = 1;
        if(object.filters.alpha.opacity > destOp)
        {
                direction = -1;
        }
        delta=Math.min(direction*diff, delta);
        object.filters.alpha.opacity+=direction*delta;
        if(object.filters.alpha.opacity != destOp)
        {
                nereidFadeObjects[object.sourceIndex]=object;
                nereidFadeTimers[object.sourceIndex]=setTimeout("nereidFade(nereidFadeObjects["+object.sourceIndex+"],"+destOp+", "+rate+", "+delta+")",rate);
        }
}
document.onmouseover=showPopupText;