function ShowLogin()
{
    if(document.getElementById("divlogin") != null)
    {
        document.getElementById("divlogin").style.display = "block";
    }
    else
    {
        alert("Could not find the div divlogin");
    }
}
function HideLoginDiv()
{
    if(document.getElementById("divlogin") != null)
    {
        document.getElementById("divlogin").style.display = "none";
    }
    else
    {
        alert("Could not find the div divlogin");
    }
}

function Showloginpanel(showdiv)
{
    document.getElementById("divstudent").style.display="none";
    document.getElementById("divCopyShop").style.display="none";
    document.getElementById("divAdvertiser").style.display="none";
    
    document.getElementById("div1").className = "Notselectlogintd";
    document.getElementById("div2").className = "Notselectlogintd";
    document.getElementById("div3").className = "Notselectlogintd";
    if(showdiv == "1")
    {
        document.getElementById("div1").className = "selectlogintd";
        document.getElementById("divstudent").style.display="block";
    }
    else if( showdiv == "2")
    {
    document.getElementById("div2").className = "selectlogintd";
        document.getElementById("divCopyShop").style.display="block";
    }
    else if(showdiv == "3")
    {
    document.getElementById("div3").className = "selectlogintd";
        document.getElementById("divAdvertiser").style.display="block";
    }
}

function validateStudentLogin()
{
//alert(trim(document.getElementById("txtStudentUsername").value));
    if(trim(document.getElementById("ucStudentLogin1_txtStudentUsername").value) == "Student Usernname" || trim(document.getElementById("ucStudentLogin1_txtStudentUsername").value) == "")
    {
        alert("Please enter user name.");
        document.getElementById("ucStudentLogin1_txtStudentUsername").focus();
        return false;
    }
    if(trim(document.getElementById("ucStudentLogin1_txtStudentPassword").value) == "Password" || trim(document.getElementById("ucStudentLogin1_txtStudentPassword").value) == "")
    {
        alert("Please enter password.");
        document.getElementById("ucStudentLogin1_txtStudentPassword").focus();
        return false;
    }
    return true;
}

function validateCopyShopLogin()
{
    if(trim(document.getElementById("ucStudentLogin1_txtCopyshopUsername").value) == "Copy shop User name" || trim(document.getElementById("ucStudentLogin1_txtCopyshopUsername").value) == "")
    {
        alert("Please enter user name.");
        document.getElementById("ucStudentLogin1_txtCopyshopUsername").focus();
        return false;
    }
    
    if (echeck(document.getElementById("ucStudentLogin1_txtCopyshopUsername").value)==false)
	   {
	      document.getElementById("ucStudentLogin1_txtCopyshopUsername").value="";
   		  document.getElementById("ucStudentLogin1_txtCopyshopUsername").focus();
	   	  return false;
      }
    
    if(trim(document.getElementById("ucStudentLogin1_txtCopyShopPassword").value) == "Password" || trim(document.getElementById("ucStudentLogin1_txtCopyShopPassword").value) == "")
    {
        alert("Please enter password.");
        document.getElementById("ucStudentLogin1_txtCopyShopPassword").focus();
        return false;
    }
    return true;
}

function validateAdvertiserShopLogin()
{
    if(trim(document.getElementById("ucStudentLogin1_txtAdvertiserUsername").value) == "Advertiser user name" || trim(document.getElementById("ucStudentLogin1_txtAdvertiserUsername").value) == "")
    {
        alert("Please enter user name.");
        document.getElementById("ucStudentLogin1_txtAdvertiserUsername").focus();
        return false;
    }
    //alert(document.getElementById("ucStudentLogin1_txtAdvertiserPassword").value);
    if(trim(document.getElementById("ucStudentLogin1_txtAdvertiserPassword").value) == "Password" || trim(document.getElementById("ucStudentLogin1_txtAdvertiserPassword").value) == "")
    {
        alert("Please enter password.");
        document.getElementById("ucStudentLogin1_txtAdvertiserPassword").focus();
        return false;
    }
    return true;
}