/*  
    dw_random.js - random image rotation - version date: May 2005
    requires dw_rotator.js 
	updated by Frederic Delchambre - ComputerLand
*/

/*************************************************************************
    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!
*************************************************************************/
var blogCtr = 0;
var blogRndActive = 1;

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;
	if (blogRndActive==0)
	{
		this.ctr = blogCtr;
		blogCtr++;
		if (blogCtr==imgAr.length) blogCtr=0;
	}
	else
		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="pause...">';

	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;

	if (blogRndActive==0)
	{
		this.ctr = blogCtr;
		blogCtr++;
		if (blogCtr==this.imgs.length) blogCtr=0;
	}
	else
	{
		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);
};