/*  

    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();

//alert("test");

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 border=0 name="'+this.name+'" src="'+this.path+img+'"';

		imgStr+=(typeof w=="number")?' width="'+w+'"':'';

		imgStr+=(typeof h=="number")?' height="'+h+'"':'';

		imgStr+=' alt="">';

		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);};