var ii = {
	sis:new Array(),
	num:0,
	scroll:function(){
	
		var cn = $("big_ad").childNodes;
		
		for(var i = 0 ; i < cn.length ; i++){
			var ci = cn[i];
			if(ci.tagName == "DIV"){
				
				ci.style.top = "0px";
				ci.style.left = "0px";
				ci.style.zIndex = (999 - i);
				ci.onmouseover = ii .over;
				ci.onmouseout = ii.out;
				ii.sis[ii.sis.length] = ci;
			}
		}
		
		var sb = new Array();
		for(var i = 0 ; i < ii.sis.length ; i++){
			if(i == 0 ){
				sb[sb.length] = "<div onmouseover='ii.view(" +i+ ")' id='ad_nv_" +i+ "' class='ad_nv_c'>";
			}else{
				sb[sb.length] = "<div onmouseover='ii.view(" +i+ ")'  id='ad_nv_" +i+ "' class='ad_nv_n'>";
			}
			
			sb[sb.length] = "</div>";
		}
		$("ad_nv").innerHTML = sb.join('');
		$("ad_nv").style.zIndex = 1000;
		window.setTimeout(ii.move,5000);
		
	},
	move:function(){
		if(ii.sis.length > 1){
			var ci = ii.sis[ii.num];
			if(ii.isover){
			window.setTimeout(ii.move,2000);
			}else{
				window.setTimeout(ii.mi,1,ci);
			}
		}
	},
	mi:function(ci){
		
			var left = ci.style.left.substring(0,ci.style.left.indexOf("px"));
			
			ci.style.left = (left - 30 ) + "px";
			
			if((left-30) < (-1*ci.offsetWidth)){
				ci.style.left = "0px";
				var zi = ci.style.zIndex;
				ci.style.zIndex = zi - ii.sis.length;
				if((ii.num + 1) < ii.sis.length){
					ii.num++;
				}else{
					ii.num = 0;
				}
				for(var i = 0 ; i < ii.sis.length ; i++){
					$("ad_nv_" + i).className = "ad_nv_n";
				}
				$("ad_nv_" + ii.num).className = "ad_nv_c";
				window.setTimeout(ii.move,5000);
			}else{
				window.setTimeout(ii.mi,1,ci);
			}
			
			
	},
	view:function(t){
	
	    var ti = ii.sis[t];
	    
		for(var i = 0 ; i < ii.sis.length ; i++){
			$("ad_nv_" + i).className = "ad_nv_n";
			
			var ci = ii.sis[i];
			
			var zi = ci.style.zIndex;
			
			if(i < t){
			
				ci.style.zIndex = zi - ii.sis.length;
			}else if(i > t){
				
				ci.style.zIndex = ti.style.zIndex - (i-t);
			}
		}
		ii.num = t;
		$("ad_nv_" + t).className = "ad_nv_c";
	},
	isover:false,
	over : function(){
		ii.isover = true;
	},
	out : function(){
		ii.isover = false;
	}
}