/*  
    dw_random.js - random image rotation - version date: May 2005
    requires dw_rotator.js 
*/

/*************************************************************************
    This code is from Dynamic Web Coding at dyn-web.com
    Copyright 2001-5 by Sharon Paine 
    See Terms of Use at www.dyn-web.com/bus/terms.html
    regarding conditions under which you may use this code.
    This notice must be retained in the code as is!
*************************************************************************/
dw_RandRotator.prototype=new dw_Rotator();
function dw_RandRotator(sp,pt,bClickable,bMouse,tgt)
{
    this.num=dw_Rotator.col.length;this.name="RandRotateImg"+this.num;
    this.mouseEvs=bMouse;
    this.clickable=bClickable;
    this.rObj=dw_Rotator;
    this.rObj(this.name,sp,pt,tgt);
 };dw_RandRotator.prototype.setUpImage=function(imgAr,w,h,bTrans)
 {
    this.trans=bTrans;
    this.ctr=Math.floor(Math.random()*imgAr.length);
    var img=imgAr[this.ctr];
    var imgStr='<img name="'+this.name+'" src="'+this.path+img+'"';imgStr+=(typeof w=="number")?' width="'+w+'"':'';imgStr+=(typeof h=="number")?' height="'+h+'"':'';imgStr+=' title="Click here to read stories">';
    var str="";
    if(this.clickable)
        {
        str+='<a href="" onclick="return dw_Rotator.doClick('+this.num+')"';
    if(this.mouseEvs)
    {
        str+=' onmouseover="dw_Rotator.pause('+this.num+')"';
        str+=' onmouseout="dw_Rotator.resume('+this.num+')"';
    }
        str+=' onfocus="this.blur()">'+imgStr+'</a>';
    }
        else{str=imgStr;
        }document.write(str);
         document.close();
            for(var i=0;imgAr[i];i++)this.addImages(imgAr[i]);
        };dw_RandRotator.prototype.rotate=function()
        {
        clearTimeout(this.timer);
        this.timer=null;
        var ctr=Math.floor(Math.random()*this.imgs.length);
        var i=0;
        while(ctr==this.ctr&&i<6)
        {
        ctr=Math.floor(Math.random()*this.imgs.length);i++;
        }
        this.ctr=ctr;
        var imgObj=document.images[this.name];
        if(!imgObj||!dw_Rotator.ready)return;
        if(this.trans&&typeof imgObj.filters!="undefined")
        {
        imgObj.style.filter='blendTrans(duration=1)';
        if(imgObj.filters.blendTrans)imgObj.filters.blendTrans.Apply();
            }
         imgObj.src=this.imgs[this.ctr].src;
         if(this.trans&&typeof imgObj.filters!="undefined"&&imgObj.filters.blendTrans)imgObj.filters.blendTrans.Play();
         this.timer=setTimeout(this.animString+".rotate()",this.speed);
         };