var isie6=false;

document.write('<!--[if ie 6]><script>isie6=true;<\/script><![endif]-->');



/* png修复(<img>) code by jin @ 2011.12.02 */

function pngfix(){

	var els=document.images,len=els.length;

	for(var i=0; i<len; i++){

		var el=els[i],w=el.width,h=el.height;

		if(el.src.match(/\.png/i) && !el.style.filter){

			el.style.filter="progid:dximagetransform.microsoft.alphaimageloader(src='"+el.src+"',sizingmethod='scale')";

			el.src="/bbx/images/transparent.gif";

			el.width=w;

			el.height=h;

		}

	}

}

if(isie6) attachevent('onload', pngfix);





function _requestparamsstr(){

	var strhref = window.document.location.href;

	var intpos = strhref.indexof('?');

	var strright = strhref.substr(intpos+1);

	return strright;

}



/*得到html参数,code by nicenic.com, icefire*/

function request(strname){

	var arrtmp = _requestparamsstr().split("&");

	for(var i=0,len=arrtmp.length; i<len; i++){ 

		var arrtemp = arrtmp[i].split("=");

		if(arrtemp[0].touppercase() == strname.touppercase()){

		if(arrtemp[1].indexof("#")!=-1) arrtemp[1] = arrtemp[1].substr(0, arrtemp[1].indexof("#"));

			return arrtemp[1]; 

		}

	}

	return "";

}



function reqquestarray(strname){

	var arr_return = [];

	var arrtmp = _requestparamsstr().split("&");



	var s_find = strname+"[";

	for(var i=0,len=arrtmp.length; i<len; i++){

		var arr_temp = arrtmp[i].split("=");



		var posistion = arr_temp[0].indexof(s_find);

		if(posistion==0){

			arr_return.push(arr_temp[1]);

		}

	}

	return arr_return;

}



function requestdict(strname){

	var arr_return = {};

	var arrtmp = _requestparamsstr().split("&");



	var s_find = strname+"[";

	for(var i=0,len=arrtmp.length;i<len;i++){

		var arr_temp = arrtmp[i].split("=");



		var posistion = arr_temp[0].indexof(s_find);

		if(posistion==0){

			var s_key = arr_temp[0].substr(s_find.length);

			s_key = s_key.substr(0,s_key.length-1);

			arr_return[s_key] = arr_temp[1];

		}

	}

	return arr_return;



}



function showurl(){document.write(window.location.hostname);}



//cookie相关

function checknum(nubmer){

    var re = /^[0-9]+.?[0-9]*$/;   //判断字符串是否为数字     //判断正整数 /^[1-9]+[0-9]*]*$/  

    if (re.test(nubmer))return true;

	return false;

}

function setcookie(name,value,hours){

	var hourstay = 30*24*60*60*1000; //此 cookie 将被默认保存 30 天

	if(checknum(hours)){

		hourstay = hours;

	}

    var exp  = new date();

    exp.settime(exp.gettime() + hourstay*60*60*1000);

    document.cookie = name + "="+ escape(value) + ";expires=" + exp.togmtstring();

}

function getcookie(name){     

    var arr = document.cookie.match(new regexp("(^| )"+name+"=([^;]*)(;|$)"));

    if(arr != null) return unescape(arr[2]); return null;

}

function delcookie(name){

    var exp = new date();

    exp.settime(exp.gettime() - 1);

    var cval=getcookie(name);

    if(cval!=null) document.cookie= name + "="+cval+";expires="+exp.togmtstring();

}

//表单是否显示

function showform(){

	if(getcookie('userlogin')==1){

		var formisshow = document.getelementsbytagname('div');

		for(var i=0;i<formisshow.length;i++){

			if(formisshow[i].getattribute("name")=="formisshow"&&formisshow[i].getattribute("value")==1){

				formisshow[i].style.display='block';

			}

		}

	}

}



if(!document._write){

	document._write = document.write ;



	document.write = function(msg){

		if(msg == '_write' || msg == '_write_stop') return ;

		document._write(msg);

	}

}

window.onload = function(){

	$('.block').each(function(i){

		var $this = $(this),

			j = 100-i;

		if($this.css('zindex')=='auto' || !$this.css('zindex')){

			$this.css('zindex',j);

		}

	});



	$(window).resize(function(){

		$('.placeholder').show().each(function(){

			var $this = $(this), this_offset = $this.offset();

		  	if(this_offset.top + $this.height() > $('body').height()) $this.hide();

		  	else if(this_offset.left + $this.width() > $('body').width()){

		  		$this.width($('body').width() - this_offset.left);

		  	}

		})

	}).resize();

}



function setdivheight(div){//#container

	var i = 0;

	var id = setinterval(function(){

		var obj = $(div);//拿到#container的对象

		var maxtop = 0;

		$('.block', obj).each(function(index){//找到#container下的block(模块) div

			var currtop = $(this).offset().top + $(this).height();//当前模块的top距离+自己的高度 = #container最高的高度

			if(currtop > maxtop){

				maxtop = currtop;

			}

		});

		var height = maxtop-obj.offset().top;

		obj.height(height);

		i++;

		if(i>=50){

			clearinterval(id);

		}

	}, 500);

}



function price_format(s,n){

	n = n > 0 && n <= 20 ? n : 2; 

	s = parsefloat((s + "").replace(/[^\d\.-]/g, "")).tofixed(n) + ""; 

	var l = s.split(".")[0].split("").reverse(), r = s.split(".")[1]; 

	t = ""; 

	for (i = 0; i < l.length; i++) { 

		t += l[i] + ((i + 1) % 3 == 0 && (i + 1) != l.length ? "," : ""); 

	} 

	return t.split("").reverse().join("") + "." + r; 

}



if(typeof loadextendfilecache==='undefined'){

	var loadextendfilecache = {'css':[],'js':[]};

}



if(typeof loadextendfile==='undefined'){

	function loadextentfile(filepath, filetype){

		if(filetype == "js"){

			if(loadextendfileexists(filepath,filetype))return false;

	        var ojs = document.createelement('script');        

		    ojs.setattribute("type","text/javascript");

			ojs.setattribute("src", filepath);//文件的地址 ,可为绝对及相对路径

	        document.getelementsbytagname("head")[0].appendchild(ojs);//绑定

			loadextendfilecache['js'].push(filepath);

	    }else if(filetype == "css"){

			if(loadextendfileexists(filepath,filetype))return false;

			var ocss = document.createelement("link"); 

	        ocss.setattribute("rel", "stylesheet"); 

		    ocss.setattribute("type", "text/css");  

			ocss.setattribute("href", filepath);

	        document.getelementsbytagname("head")[0].appendchild(ocss);//绑定

			loadextendfilecache['css'].push(filepath);

	    }

	}

}



if(typeof loadextendfileexists==='undefined'){

	function loadextendfileexists(filepath,filetype){

		if(typeof loadextendfilecache[filetype]=='undefined')return false;

		for(var i=0;i<loadextendfilecache[filetype].length;i++){

			if(loadextendfilecache[filetype][i]==filepath)return true;

		}

		return false;

	}

}