/* 
 requires dw_rotator.js 
*/
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+=' 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);
		};