//去左空格;
function ltrim(str){
return str.replace( /^[" "|"　"]*/, "");
}
//去右空格;
function rtrim(str){
return str.replace( /[" "|"　"]*$/, "");
}
//左右空格;
function trim(str){
return rtrim(ltrim(str));
}

function checknull(str)
{
	str=trim(str);
	if (str.length<1)
	  {
	  return(true);
	  }
	else
	{
	  return(false);
	}
}

function tabit(B){
var D=new String(B.id);
var C=D.indexOf("_");
var F=D.lastIndexOf("_")+1;
var E=D.substr(0,C);
var G=parseInt(D.substr(F,1));
var A=B.parentNode.childNodes.length;
for(i=0;i<A;i++){
document.getElementById(E+"_div_"+i).style.display="none";
document.getElementById(E+"_btn_"+i).className=""
}
document.getElementById(E+"_div_"+G).style.display="block";
B.className="curr"
}
var fodTime;
function delaytabit(A){
	clearTimeout(fodTime);
	fodTime=setTimeout(function(){tabit(A)},100)
}

function ResizeImage(obj, MaxW, MaxH)
{
    if (obj != null) imageObject = obj;
    var state=imageObject.readyState;
    var oldImage = new Image();
    oldImage.src = imageObject.src;
    var dW=oldImage.width; var dH=oldImage.height;
    if(dW>MaxW || dH>MaxH) {
        a=dW/MaxW; b=dH/MaxH;
        if(b>a) a=b;
        dW=dW/a; dH=dH/a;
    }
    if(dW > 0 && dH > 0)
        imageObject.width=dW;imageObject.height=dH;
    if(state!='complete' || imageObject.width>MaxW || imageObject.height>MaxH) {
        setTimeout("ResizeImage(null,"+MaxW+","+MaxH+")",40);
    }
}

function CheckQQ(uin){
	sitename="房产世界";
	var Link="tencent://Message/?Menu=yes&WebSiteName="+sitename+"&uin="+uin;

	try{//支持
		var xmlhttp=new ActiveXObject("TimwpDll.TimwpCheck");
		this.location.href=Link;
              var  n = xmlhttp.GetVersion();
                if (n >= 2.1)
		 this.location.href=Link;
                else
                {
//		alert("请您下载新版TM/QQ");
		alert("房产世界温馨提示：\r\n　　请您访问http://im.qq.com/下载新版的QQ/TM以支持与房产世界在线交流！");
		window.target="_top";
	        window.open("http://im.qq.com/");
                }

	}catch(e){//不支持
	//	alert("请您下载新版TM/QQ");
		alert("房产世界温馨提示：\r\n　　请您访问http://im.qq.com/下载新版的QQ/TM以支持与房产世界在线交流！");
		window.target="_top";
	        window.open("http://im.qq.com/");
	}

	return false;	
}