function checkPax(url) 
{


    if (!document.forms[0].formtocheck[0].checked && !document.forms[0].formtocheck[1].checked)
    {
        alert('Please check one of the boxes.');
        return;
    }
    else if (document.forms[0].txtSalesTourID.value.length == "")
    {
	    alert('Please enter a tour number and try again.');
	    document.forms[0].txtSalesTourID.focus();
	    return;
    }
    else if(isNaN(parseInt(document.forms[0].txtSalesTourID.value)))
    {
	    alert('Please enter number only.');
	    document.forms[0].txtSalesTourID.focus();
	    return;
    }
    
    switchPleaseWait();
    if (document.forms[0].formtocheck[0].checked)
        {
	document.forms[0].txtAction.value = "PAXCheck";
	document.forms[0].action = url + "?salestour=" +    parseInt(document.forms[0].txtSalesTourID.value)     ;
	document.forms[0].submit();
	}
    if (document.forms[0].formtocheck[1].checked)
	{
        document.forms[0].txtAction.value = "PAXEnroll";
    	document.forms[0].action = url;
    	document.forms[0].submit();
	}
}

function switchPleaseWait() {
    
    var image = document.getElementById("ctl00_cphContent1_EnrollStudent_GoButton");
    var pleaseWait = document.getElementById("ctl00_cphContent1_EnrollStudent_PleaseWait");
    
    image.style.display = "none";
    pleaseWait.style.display = "block";
}