function CheckState(Changer,cid){
    
    var oProv = document.getElementById(Changer);
    var oCity = document.getElementById(cid);
    if (oProv.value == -1){
        for (var i=0;i<oCity.options.length;i++) {
            oCity.options[0]=null;
        }
        var opt = new Option();
        opt.text = "[انتخاب نمایید]";
        opt.value = -1;
        oCity.options[0] = opt;
        document.getElementById(cid).disabled = true;    
    }else{
        document.getElementById(cid).disabled = false;
        
    }
    
}       
function getCities(StateId,City){
var oCity = document.getElementById(City);
if (StateId >= 0){
    var OptLength = oCity.options.length;
    for (var i=0;i<OptLength;i++){
       oCity.options[0]=null;
    }
    var opt = new Option();
    opt.text = "لطفا صبر کنید";
    opt.value = -1;
    oCity.options.add(opt);
    var oXmlHttp = zXmlHttp.createRequest();
    oXmlHttp.open("GET","/ATransfer/GetData.aspx?t=2&val=0&id=" + StateId,true);
    oXmlHttp.onreadystatechange = function () {
        if (oXmlHttp.readyState == 4) {
            if (oXmlHttp.status == 200){
            var OptLength = oCity.options.length;
                for (var i=0;i<OptLength;i++){
                    oCity.options[0]=null;
                }
                var strRequest = oXmlHttp.responseText;
                var arrRequest = strRequest.split('#');

                opt = new Option();
                    opt.text = "[انتخاب نمایید]";
                    opt.value = -1;
                    oCity.options.add(opt);
                    
                for (var j=0;j<(arrRequest.length / 2);j++){
                    var indx = j * 2;
                    var optz = new Option();
                    optz.text = arrRequest[indx];
                    optz.value = arrRequest[indx + 1];
                    oCity.options.add(optz);
                    
                }
            } else {
                for (var k=0;k<oCity.options.length;k++){
                    oCity.options[0]=null;
                }
    
                opt = new Option();
                opt.text = "خطا...";
                opt.value = -1;
                oCity.options.add(opt);
            }
        }
    }
    oXmlHttp.send(null);
}else{
    
    var OptionsLength = oCity.options.length;
    for (var q=0;q<OptionsLength;q++){
        oCity.options[0]=null;
    }
    var opt = new Option();
    opt.text = "[انتخاب نمایید]";
    opt.value = -1;
    oCity.options[0] = opt;
    
}
}

function ChangeVI(){
var img = document.getElementById('ctl00_CPH1_ValidtionCode');
img.src="../ValidationImage.aspx?" + Math.random() ;
document.getElementById('ctl00$CPH1$txtValidation').value = "";
}