var NowFrame = 1;
var MaxFrame = 5;
var times = 1 ;

initAdvert=function(max){
	
	MaxFrame=max ;
	scroll1();
	timer();
	
} 

function timer(){
	if(times<2){
		times++;
		setTimeout('timer()', 1000);  
	}else{
		jQuery(".advert_").each(function(){
		 	this.src = this.getAttribute("_src") ;
		});
	}
}

function scroll1(d1) {
	if(MaxFrame && MaxFrame>=1){
			if(Number(d1)){
				clearTimeout(theTimer);  //当触动按扭时，清除计时器
				NowFrame=d1;                //设当前显示图片
			}
				for(var i=1;i<(MaxFrame+1);i++){
					if(NowFrame==i){
						document.getElementById(NowFrame).style.display='block';   //当前显示图片
						document.getElementById('bg'+NowFrame).style.color="#FFF5F5";
						//document.getElementById('bg'+NowFrame).style.fontWeight="bold";
					}
					else {
						document.getElementById(i).style.display='none';
						document.getElementById('bg'+i).style.color="#000000";
						// document.getElementById('bg'+NowFrame).style.fontWeight="";
						
					}
				}
			    { if(NowFrame == MaxFrame)   //设置下一个显示的图片
					NowFrame = 1;
			  	  else
					NowFrame++;
					}
				 theTimer=setTimeout('scroll1()', 3000);   //设置定时器，显示下一张图片
		 }
}