//pop up window
function popUp(url, ww, wh)
{ 
  if(!neWin || neWin.closed)
     {
		 if(ww>0 && wh>0)
		 {
			 var w_h="width="+ww+", height="+wh+", scrollbars=yes, resizable=yes";
			 var neWin=window.open("","New",w_h);
		 } else {
			 var neWin=window.open("","New"); 
		 }
	 }
	neWin.location.href=url;
	neWin.focus();
}

//form validator
function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_validateForm() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { nm=val.name; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain an e-mail address.\n';
      } else if (test!='R') { num = parseFloat(val);
        if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (num<min || max<num) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is required.\n'; }
  } if (errors) alert('The following error(s) occurred:\n'+errors);
  document.MM_returnValue = (errors == '');
}
//cruise validation
function checkForm()
{
	theForm = document.getElementById("form1");
	
	if (theForm.Cruise.value == 0) {
		alert('Select a Cruise Ship');
		theForm.Cruise.focus();
		return false;
	} else {
		return true;
	}
}

//email and password validation
function checkCli()
{
	theForm = window.document.form1;
	
	if(theForm.Email.value != theForm.ConfirmEmail.value) {
		alert('Email must match with Confirm Email');
		theForm.ConfirmEmail.focus();
		return false;
	} else if (theForm.Password.value != theForm.ConfirmPassword.value) {
		alert('Password must match with Confirm Password');
		theForm.ConfirmPassword.focus();
		return false;
	} else {
		return true;
	}
}
//password validation
function checkPswd()
{
	theForm = window.document.form1;
	
	if (theForm.Password.value != theForm.ConfirmPassword.value) {
		alert('Password must match with Confirm Password');
		theForm.ConfirmPassword.focus();
		return false;
	} else {
		return true;
	}
}