// JavaScript Document
var domainName = "www.120ask.com";
var domainIp="60.28.160.203";

function TRIM(value){return value.replace(/^\s*/,'').replace(/\s*$/,''); }//去首尾空格

function delSpace(value){return value.replace(/\s/g,"");}//去空格

function $(element){
	if(typeof(element) == "string"){
		return document.getElementById(element);
	}
	return element;
}

function checkC(c){return /^[0-9]+$/.test(c);}

function LEN(str)
{
    var i,sum=0;
    for(i=0;i<str.length;i++){
        if((str.charCodeAt(i)>=0) && (str.charCodeAt(i)<=255))
            sum=sum+1;
        else
            sum=sum+2;
    }
    return sum;
}

function iframeAutoFit(iframeObj){
	setTimeout(function(){if(!iframeObj) return;iframeObj.height=(iframeObj.Document?iframeObj.Document.body.scrollHeight:iframeObj.contentDocument.body.offsetHeight);},200)
}

function imgAutoFit(imgObj,maxWidth,maxHeight){
	//maxWidth												//设置图片宽度界限
	//maxHeight												//设置图片高度界限
	var heightWidth;										//设置高宽比 
	var widthHeight;										//设置宽高比 
	heightWidth = imgObj.offsetHeight/imgObj.offsetWidth;	//设置高宽比 
	widthHeight = imgObj.offsetWidth/imgObj.offsetHeight;	//设置宽高比 
	if(imgObj.offsetWidth>maxWidth){
		imgObj.width = maxWidth;
		imgObj.height = maxWidth*heightWidth;
	}
	if(imgObj.offsetHeight>maxHeight){
		imgObj.height = maxHeight;
		imgObj.width = maxHeight*widthHeight;
	}
} 

function getParaValue(s,n){
	//s:参数字符串以 例如"&a=1&b=2"
	//n:参数名
	var flag,begin,end;
	flag = "&"+n+"=";
	begin = s.indexOf(flag);
	if(-1==begin) return null;
	begin = begin + flag.length;
	end = s.indexOf("&",begin);
	if(-1==end) end = s.length;
	return s.substring(begin,end);
}

function SHOW(key){$(key).style.display = (""==$(key).style.display)?"none":"";}

function changeDisabled(o){o.disabled = !o.disabled;}

function changeDisplay(o){o.style.display=(""==o.style.display)?"none":"";}

function setActionOnTheseName(objN,f){
	var i,ins;
	os=document.getElementsByName(objN);
	for(i=0;i<os.length;i++) f(os[i]);
}

function checkTagIsHave(s,t){
	var re=new RegExp("<\\/?"+t+"(?:(?:\\s|\\/)(?:\\n|.)*?)?>","ig");
	var r=re.test(s);
	re=null;
	return r;
}