/**
 * 内容滚动效果
 * @boxobj1 外层固定宽度的box
 * @boxobj2 内层无限长度的box
 * @numobj  小按钮
 * @direction 滚动方向[默认横向2]
 * @speed　　滚动速度
 */
function crossslider(boxobj1, boxobj2, numobj, direction, speed){
	direction = direction ? direction : 2;
	var index = 0;
	var adtimer;	
	
	if( numobj ){	
		var len = numobj.length;
		numobj.mouseover(function(){
			index = numobj.index(this);
			showimg(index,boxobj1,boxobj2,numobj,direction);
		}).eq(0).addclass("on");
	}else{ //没有小按钮
		var len = boxobj2.children().length;
	}
	
	boxobj1.mouseover(function(){
		clearinterval(adtimer);
	}).mouseout(function(){
		adtimer = setinterval(function(){
			showimg(index,boxobj1,boxobj2,numobj,direction);
			index++;
			if(index==len){index=0}
		},speed);
	}).trigger("mouseout");
}

function showimg(index,boxobj1,boxobj2,numobj,direction){
	if( direction == 2 ){
		var addistance = boxobj1.width();
		boxobj2.stop(true).animate({"left" : -addistance*index},1000);
	}else{
		var addistance = boxobj1.height();
		boxobj2.stop(true).animate({"top" : -addistance*index},1000);
	}
	numobj && numobj.removeclass("on").eq(index).addclass("on");
}


/*--------------------index------------------------------*/
function scrollresizew(obj){
	console.log(obj);
	var obj = obj;
	window.onscroll = window.onresize= function(){
		if( obj.length > 0 )  setbanliwidth(obj); //弹出层
	}
}
function setbanliwidth(obj){
	var clientwidth = document.body.clientwidth;
	console.log(obj + clientwidth);
	obj.css({'width':clientwidth});
}