function Slider(){
	/* fields */
	this.width=185;//ширина слайдера
	this.from=50;//начальный процент
	this.to=80;//конечный процент
	this.variants=12;//кол-во вариаций
	this.defaultFsize=63;//%
	this.defaultOffset=57;//px
	/* public methods */
	this.doMove=SliderDoMove;
	this.doRelease=SliderDoRelease;
	this.init=SliderInit;
	/* init */
	this.init();
}

function SliderInit(){
	new DDOitem('slider','12,-1, 197,16',1,this.doMove,this.doRelease);
	var percent=(getCookie('percent'))?getCookie('percent'):this.defaultFsize;//%
	var offset=(getCookie('offset'))?getCookie('offset'):this.defaultOffset;//%
//	document.getElementById('sliderBg').style.left=(offset-this.width)+ 'px';
	document.getElementById('slider').style.left=(offset-8)+ 'px';
	document.body.style.fontSize=percent+ '%';
}

function SliderDoMove(){
	var width=slider.width;
	var from=slider.from;
	var to=slider.to;
	var variants=slider.variants;
	var offset=8+parseInt(document.getElementById('slider').offsetLeft);
	var offsetT=parseInt(document.getElementById('slider').offsetTop);
	var percent=parseInt(offset*variants/(width+1)) * (to-from)/(variants-1) + from;
	setCookie('percent',percent);
	setCookie('offset',offset);
//	document.getElementById('sliderBg').style.left=(offset-width)+ 'px';
	document.body.style.fontSize=percent+ '%';
	document.body.style.cursor='e-resize';
}

function SliderDoRelease(){
	document.body.style.cursor='';
}