//
function isEmpty(obj)
{
    return /^\s*$/.test(obj.value);
}

//
function isNum(obj)
{
    if(obj.value=="" || isNaN(obj.value))
        return false;
    else
        return true;    
}

//
function isEmail(obj)
{
    return /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(.[a-zA-Z0-9_-])+/.test(obj.value);

}

//
function isRightchar(obj)
{
    //if(!/^[a-z]\w{3,11}$/i.test(obj.value.replace(/[\u4e00-\u9fa5]/g,'mm')))
    return /^([a-z0-9_])+$/i.test(obj.value.replace(/[\u4e00-\u9fa5]/g,'mm'));
}

//
function getRadioValue(name)
{
    var str = "";
    var radios = document.getElementsByName(name);  
    for(var i = 0;i<radios.length;i++){
        if(radios[i].checked){
           str = radios[i].value;
        }
    }
    return str;
}

//
function Trim(obj)
{
    return obj.value.replace(/^\s+|\s+$/,"");
}

//
function getSelectValue(id)
{
    return getObj(id).options[getObj(id).selectedIndex].value;
}

//
function getObj(id)
{ 
    return document.getElementById(id);
}

//
function isImg(str)
{
   return /(gif|png|jpg|jpeg)$/i.test(str);
}

function getCheckBoxValue(parID,spliter)
{
    var chk=document.getElementById(parID).getElementsByTagName("input");
    var tmpStr = "";
    for(var i=0;i<chk.length;i++)
    {          
        if(chk[i].type == "checkbox" && chk[i].checked)
            tmpStr += chk[i].value + spliter;                 
    }
    return tmpStr;
}

function getCheckBoxName(parID,spliter)
{
    var chk=document.getElementById(parID).getElementsByTagName("input");
    var tmpStr = "";
    for(var i=0;i<chk.length;i++)
    {          
        if(chk[i].type == "checkbox" && chk[i].checked)
            tmpStr += chk[i].name + spliter;                 
    }
    return tmpStr;
}

 function openIM(iID)
    {
        var url = "http://ifim.ifinif.com/blimbox.aspx?id=" + iID;
        window.open(url,'INDEX','left=100,top=100,width=900,height=490,toolbar=no,menubar=no,scrollbars=no,resizable=no,location=no,status=no');
    }
    
    function openIFIM()
    {
        var url = "http://ifim.ifinif.com/blimbox.aspx?id=2&f=1";
        window.open(url,'INDEX','left=100,top=100,width=900,height=490,toolbar=no,menubar=no,scrollbars=no,resizable=no,location=no,status=no');
    }