// JavaScript Document
function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
	window.onload = func;
	}else{
	window.onload = function() {
    oldonload();
    func();
    }
  }
}

function addClass(element,value) {
  if (!element.className) {
    element.className = value;
  } else {
    newClassName = element.className;
    newClassName+= " ";
    newClassName+= value;
    element.className = newClassName;
  }
}

function removeClass(element, value){
  var removedClass = element.className;
  var pattern = new RegExp("(^| )" + value + "( |$)");
  removedClass = removedClass.replace(pattern, "$1");
  removedClass = removedClass.replace(/ $/, "");
  element.className = removedClass;
  return true;
}

/*className */
function getElementsByClass(searchClass,node,tag) {
 var classElements = new Array();
 if ( node == null )
  node = document;
 if ( tag == null )
  tag = '*';
 var els = node.getElementsByTagName(tag);
 var elsLen = els.length;
 var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");
 for (var i = 0, j = 0; i < elsLen; i++) {
  if ( pattern.test(els[i].className) ) {
   classElements[j] = els[i];
   j++;
  }
 }
 return classElements;
}

/*nextSibling*/
function get_nextSibling(n){
	var y = n.nextSibling;
	while (y.nodeType != 1) {
		y = y.nextSibling;
	}
	return y;	
}
/*firstChild*/
function get_firstChild(n){
	var y = n.firstChild;
	while (y.nodeType != 1) {
		y = y.nextSibling;
	}
	return y;		
}
/*lastChild*/
function get_lastChild(n){
	var y = n.lastChild;
	while (y.nodeType != 1) {
		y = y.previousSibling;
	}
	return y;		
}

/*previousSibling*/
function get_previousSibling(n){
	var y=n.previousSibling;
	while (y.nodeType!=1){
	y=y.previousSibling;
	}
	return y;
}


/*break ul tag*/
function breakul(ul_ID,li_num){
		if (!document.getElementById(ul_ID)) return false;
		var divid = document.getElementById(ul_ID).parentNode; 
		var sfEls = divid.getElementsByTagName("li"); 
		var loopCount = Math.ceil(sfEls.length/li_num) - 1; 
		for(var less = 0;less<loopCount;less++) {
			var bod = document.createElement("ul");  
			divid.appendChild(bod);
			for(var i = 0;i<li_num;i++) {
					   if(sfEls[li_num] && ((less+1)*li_num +i)<sfEls.length){
					   bod.appendChild(sfEls[li_num]);
			}  
		}   
	}
}

function all_func(){
	breakul('break_hangqing',6);
	breakul('break_weihu',6);
	breakul('break_shangjia',5);
	breakul('break_redian',8);
	tabs("car_tab_ul","data_table","best_car",true);
	tabs("car_tab_ul2","data_table2","best_car2",true);
	tabs("car_tab_ul3","data_table3",null,true);
	tabs("sub_ul","sub_con",null,true);
	tabs("sub_news","sub_news_con",null,true);	
	tabs("rank_newcar_tab","rank_newcar");
	tabs("pageTop","ctab");
	tabs("link_tab_ul","link_box",null,true);
	var focusa = new focusObj('focus_chart',3000);

}
addLoadEvent(all_func)
	
/*==================focus=====================*/

/*imgchange*/
function focusbigimg(obj,focus_obj){	
	var focus_box = focus_obj;
	var divs = focus_box.getElementsByTagName("div");
	var ps = focus_box.getElementsByTagName("p");
	
	for(var i=0;i<ps.length;i++){
		if (divs[i]==obj){ps[i].style.display = "block";}
		else{ps[i].style.display = "none";}
	}
	
}

/*wdith*/
function widthElement(elementID,final_width,interval) {
  
  if(typeof(elementID)=='object'&&typeof(elementID.tagName)!='undefined'){
	  var elem = elementID;
	}else if(typeof(elementID)=='string'){
		var elem = document.getElementById(elementID);
	}else if(!document.getElementById(elementID)){
		return false;  
	}

  if (elem.movement) {
   clearTimeout(elem.movement); 
  }
  if (!elem.style.width) {
    elem.style.width = "0px";
  }
  var xpos = parseInt(elem.style.width);
  if (xpos == final_width) {
	 return true;	
  }  
  if (xpos < final_width) {
    var dist = Math.ceil((final_width - xpos)/3);
    xpos = xpos + dist;
  }
  if (xpos > final_width) {
    var dist = Math.ceil((xpos - final_width)/3);
    xpos = xpos - dist;
  }
  elem.style.width = xpos + "px";
  var repeat = "widthElement('"+elementID+"',"+final_width+","+interval+")";
  elem.movement = setTimeout(repeat,interval);
}

getcurrent=0;	

/*auto*/
function focusAuto(bt_autokey,focus_box,bt_max_width,bt_min_width,bt_interval){
	
	if(bt_autokey) {return false;}//key
	if(!focus_box) {return false;}
	var f_div = focus_box.getElementsByTagName("div");

	var getc = getElementsByClass("current",focus_box,"div");
	li_active();
					
	var getc = getElementsByClass("current",focus_box,"div");	
	focusbigimg(getc[0],focus_box);	
	
	function li_active(){
		if(f_div[f_div.length-1].className == "current" && f_div[f_div.length-1].style.width == bt_max_width+"px" ){
					removeClass(f_div[f_div.length-1], "current");		
					addClass(f_div[0],"current")	
					widthElement(f_div[f_div.length-1].id,bt_min_width,bt_interval);
					widthElement(f_div[0].id,bt_max_width,bt_interval);
					return false;
				}
			if(getc[0].style.width == bt_max_width+"px"){					
					for(var i=0;i<f_div.length;i++){
						if(f_div[i] == getc[0]){
							var getcurrent = i;//sub key
						}					
					}					
					removeClass(f_div[getcurrent], "current");
					addClass(f_div[getcurrent+1],"current")
					widthElement(f_div[getcurrent].id,bt_min_width,bt_interval);
					widthElement(f_div[getcurrent+1].id,bt_max_width,bt_interval);
					getcurrent=getcurrent++;					
				}	
	}
}
//addLoadEvent(focusAuto);



function focusObj(id,settime){
//定义焦点模块对象属性
	if (!document.getElementById(id)) return false;
	this.focus_box = document.getElementById(id);
	this.f_p = this.focus_box.getElementsByTagName("p");
	this.f_em = this.focus_box.getElementsByTagName("em");
	this.f_div = this.focus_box.getElementsByTagName("div");
	this.getc = getElementsByClass("current",this.focus_box,"div");

	var w_max_width=parseInt(this.focus_box.clientWidth-this.f_div.length*18);//计算显示块宽度
	
	this.bt_autokey = false;
	this.bt_interval = 30;	
	this.bt_min_width = 18;
	this.bt_max_width = w_max_width+8;
	this.getc[0].style.width=w_max_width+8 + "px";//load width
	
//对象属性参数化 便于传参	
	var wbt_autokey=this.bt_autokey;
	var wfocus_box=this.focus_box;
	var wbt_max_width=this.bt_max_width;
	var wbt_min_width=this.bt_min_width;
	var wbt_interval=this.bt_interval;
	var wf_em=this.f_em;
	var wf_div=this.f_div;
	
	
	for(var i=0;i<this.f_em.length;i++){
		this.f_div[i].onmouseover = function(){wbt_autokey = true;};//key
		this.f_div[i].onmouseout = function(){wbt_autokey = false;};//key	
		this.f_p[i].onmouseover = function(){wbt_autokey = true;};//key
        this.f_p[i].onmouseout = function(){wbt_autokey = false;};//key  

		this.f_p[i].style.display = "none";
		this.f_p[0].style.display = "block";
		
		this.f_em[i].num = i;//em元素赋 num 属性
	
		this.f_em[i].onclick = function(){
			var getc = getElementsByClass("current",wfocus_box,"div");
			if(getc[0].style.width != wbt_max_width+"px"){return false};//unable quick click
			if(getc[0]==this.parentNode.parentNode){return false};//unable click current
			
			widthElement(getc[0].id,wbt_min_width,wbt_interval);
			widthElement(wf_div[this.num].id,wbt_max_width,wbt_interval);
			removeClass(getc[0],"current");
			addClass(wf_div[this.num],"current");
			focusbigimg(wf_div[this.num],wfocus_box);
			return false;
			
			}; 
		
	}
	this.bt_settime = setInterval(function(){focusAuto(wbt_autokey,wfocus_box,wbt_max_width,wbt_min_width,wbt_interval);},settime);
	

}

	
/*=======================dealer logo========================*/
function dealer_logo(){
		if (!document.getElementById("dealer_logo")) return false;
		var PMarquee = document.getElementById("dealer_logo"); 
		var lis = PMarquee.getElementsByTagName("li");
		var lisw = lis[0].clientWidth;
		var celnum = Math.floor(PMarquee.clientWidth/lisw);
		//cel mun
		
		var PLineCount = Math.ceil(lis.length/celnum);  
		//line mun
		
		var copynum = (PLineCount*celnum)-lis.length;		
		
		if (PLineCount>1){	
		var Pjia;
		Pjia = PMarquee.innerHTML;
		
		for(i=0;i<copynum+1;i++){
			
			PMarquee.innerHTML = PMarquee.innerHTML + Pjia;
			// double box
			}
			setTimeout("srun()",1000); 
			//start
		}
}
//addLoadEvent(dealer_logo);
//onload

function srun() {	
			if (!document.getElementById("dealer_logo")) return false;
			var PMarquee = document.getElementById("dealer_logo"); 
			var lis = PMarquee.getElementsByTagName("li");
			var lisw = lis[0].clientWidth;
			var	PLineHeight = lis[0].clientHeight; 
			
			var celnum = Math.floor(PMarquee.clientWidth/lisw);
			//cel mun
			var PLineCount = Math.ceil(lis.length/celnum);  
			//line mun
			PMarquee.scrollTop ++;	
			if (PMarquee.scrollTop == PLineCount * PLineHeight-(2*PLineHeight)) {
					PMarquee.scrollTop = 0;					
					//re
			}
			if (PMarquee.scrollTop % PLineHeight == 0 ) {
				setTimeout( "srun()", 500 ); 
			}
			else {
				setTimeout( "srun()", 5 );
				//one px time
			}
			
}





/*=======================tab=============================*/
function hide(id){var Div = document.getElementById(id);if(Div){Div.style.display="none"}}  
function show(id){var Div = document.getElementById(id);if(Div){Div.style.display="block"}}  

function tabsRemove(index,head,divs,div2s) { 		
	if (!document.getElementById(head)) return false;
	var tab_heads = document.getElementById(head);
	if (tab_heads) {
		var alis = tab_heads.getElementsByTagName("li");  
		for(var i=0;i<alis.length;i++){
			removeClass(alis[i], "current");
			
			hide(divs+"_"+i);
			if(div2s){hide(div2s+"_"+i)};
			
			if (i==index) {
				addClass(alis[i],"current");
			}
			}
			
			show(divs+"_"+index);
			if(div2s){show(div2s+"_"+index)};
		}
}

function tabs(head,divs,div2s,over){
	if (!document.getElementById(head)) return false;
	var tab_heads=document.getElementById(head);
	
	if (tab_heads) {
	   var alis=tab_heads.getElementsByTagName("li");
	   for(var i=0;i<alis.length;i++) {
		alis[i].num=i;
		
		
		if(over){
				alis[i].onmouseover = function(){
					var thisobj = this;
					thetabstime = setTimeout(function(){changetab(thisobj);},150);
					}
				alis[i].onmouseout = function(){
					clearTimeout(thetabstime);
					}			
		}
		else{			
					alis[i].onclick = function(){
						if(this.className == "current" || this.className == "last current"){
							changetab(this);
							return true;
						}
						else{
							changetab(this);						
							return false;
						}
					
				}
		}
		
		function changetab(thebox){
			tabsRemove(thebox.num,head,divs,div2s);			
		}
  
     } 
  }
}

/*bt login*/
function bt_login_more(){
	if (!document.getElementById("bt_login_bt")) return false;
	var btli = document.getElementById("bt_login_bt");	
	var btpop = document.getElementById("bt_login_pop");	
	btli.onmouseover = function(){
			addClass(btpop,"pop_block")			
		}
	btli.onmouseout = function(){
			removeClass(btpop,"pop_block")
		}
}
addLoadEvent(bt_login_more);


/*reset fields*/
function resetFields(whichform) {	
   	if (!document.getElementById("txtkeyword")) return false;
	var element = document.getElementById("txtkeyword");

    element.onfocus = function() {
	//document.charset='gb2312';
    if (this.value == this.defaultValue) {
      this.value = "";
	  addClass(this,"on");
     }
    }
    element.onblur = function() {
      if (this.value == "") {
        this.value = this.defaultValue;
		removeClass(this, "on")
      }
	  
    }
}

function prepareForms() {
  for (var i=0; i<document.forms.length; i++) {
    var thisform = document.forms[i];
    resetFields(thisform);
  }
}
addLoadEvent(prepareForms);

/*city pop*/
function AreasTrans(BtnChange,BtnClose,AreaList) {
	var div=document.getElementById(AreaList);
	var btn=document.getElementById(BtnChange);
	if ((div) && (btn)) {
		btn.onclick = function() {
			if (div.style.display=="none"){
			div.style.display="block";
			btn.className="change_btn_open";
			} 
			else {
			div.style.display="none";		
			btn.className="change_btn_close";
			}		
		}
	var close_btn=document.getElementById(BtnClose);
		close_btn.onclick = function() {
			document.getElementById(AreaList).style.display="none";	
			btn.className="change_btn_close";
		}
	}
}
function allcitypop() { 
	AreasTrans("change_btn","area_list_close","area_list");
}
addLoadEvent(allcitypop);


function popprice(){
	if (!document.getElementById("data_table_8")) return false;
	popprice_div = document.getElementById("data_table_8");
	popprice_dl = popprice_div.getElementsByTagName("dl");
	
	for(var i=0;i<popprice_dl.length;i++){
		popprice_dl[i].onmouseover = function(){
			this.style.position = "relative";
		}
		popprice_dl[i].onmouseout = function(){
			this.style.position = "static";
		}


	}
	
	
}
addLoadEvent(popprice);

function closefestival(){
	if (!document.getElementById("close_f")) return false;
	close_festival = document.getElementById("close_f");
	festival_body = document.getElementsByTagName("body");
		close_festival.onclick = function(){
			festival_body[0].className = "";
			close_festival.style.display="none";
		}
		
}
addLoadEvent(closefestival);