function ddsliderplayers(elementid,handleid, pausetime, currentclassname) {
	try {
		if (typeof ddsliderplayer == 'undefined')
			ddsliderplayer = {};
	} catch (e) {
		ddsliderplayer = {};
	}
	var elementobj = document.getelementbyid(elementid);
	var handler = document.getelementbyid(handleid);
	ddsliderplayer[elementid] = new ddsliderplayer(elementobj, handler, pausetime, currentclassname);

	elementobj.onmouseover = function() {
		ddsliderplayer[elementid].pause();
	}
	elementobj.onmouseout = function() {
		ddsliderplayer[elementid].play();
	};
	return ddsliderplayer;
}
function ddsliderplayer(elementobj, handler, pausetime, currentclassname) {
	this.id = elementobj.id;
	this.timer;
	this.curscreen = 0;
	this.elementobj = elementobj;
	this.pausetime = (undefined == pausetime) ? 3000 : pausetime * 1000;
	this.currentclassname = (currentclassname == undefined) ? 'sel' : currentclassname;
	this.pics = getelementsbyclassname('switchitem',elementobj);
	this.handlers = getelementsbyclassname('switchnavitem',handler);
	this.maxscreen = this.pics.length;
	for (i=0;i<this.handlers.length;i++) {
		this.handlers[i].setattribute("index", i);
		var id=this.id;
		this.handlers[i].onmouseover=function(){
			var u = this.getattribute('index');
			ddsliderplayer[id].go(u).pause();
		}
		this.handlers[i].onmouseout=function(){
			ddsliderplayer[id].play();
		}
	}
	this.go();
	if (pausetime)
		this.play();
}
ddsliderplayer.prototype.pause = function(){
	this.pausetime && clearinterval(this.timer);
	this.timer = null;
};
ddsliderplayer.prototype.play = function(){
	if (!this.timer&&this.pausetime) this.timer = setinterval('ddsliderplayer.'+this.id+'.go()', this.pausetime);
};
ddsliderplayer.prototype.go = function(t){
	this.curscreen = t===undefined ? this.curscreen : t;
	this.curscreen %= this.maxscreen;
	for (i=0;i<this.maxscreen;i++) {
		if (i == this.curscreen) {
			this.handlers[i].classname = 'switchnavitem '+this.currentclassname;
			this.pics[i].style.display = '';
		} else {
			this.handlers[i].classname = 'switchnavitem';
			this.pics[i].style.display = "none" ;
		}
	}
	++this.curscreen;
	return this;
}
function getelementsbyclassname (classname, parentelement){
	if (typeof(parentelement)=='object') {
		var elems = parentelement.getelementsbytagname("*");
	} else {
		var elems = (document.getelementbyid(parentelement)||document.body).getelementsbytagname("*");
	}
	var result=[];
	for (i=0; j=elems[i]; i++) {
	   if ((" "+j.classname+" ").indexof(" "+classname+" ")!=-1) {
			result.push(j);
	   }
	}
	return result;
}
function ddhslider(offx,eleid) {
	document.getelementbyid(eleid).scrollleft+=offx;
}