//--------------------------------------------------------------------------
// Function    : ValidateSignInForm(frm,mode,errorControl)
// Description : This function validates SignUp Form
//--------------------------------------------------------------------------
function ValidateSignInForm(frm,mode,errorControl)
{ 
    if(errorControl != "undefined")
    {
        errorControl.style.visibility = "hidden";
        errorControl.innerHTML='';
    }

    var memberId = document.getElementById(GetClientId("txtMemberId")).value;
    var password = document.getElementById(GetClientId("txtPassword")).value;
    var result=true;

    // check user name
    if(memberId=='')
    {
        errorControl.innerHTML='Please enter Member ID';
        result=false;
    }
    else if (!checkAlphanumeric(memberId))
    {
        errorControl.innerHTML="<br/>Please enter valid Member ID";
        result=false;
    }
     
    // check password
    if(password=='')
    {
        errorControl.innerHTML+='<br/>Please enter Password';
        result=false;
    } 
    else if (!checkAlphanumeric(password))
    {
        errorControl.innerHTML+='<br/>Please enter valid password';
        result=false;
    } 
   
    if(!result)
    {   
        if(errorControl != "undefined")
        {  
            errorControl.style.visibility = 'visible'; 
            window.location='#ancTopLock';
        }
    }    
   
    return result;      
}