var regExpPassword = new RegExp("^([0-9a-zA-Z .,\-/:\(\)_!@#$%^&*«»]+)$");

function validateValue(regExp, obj)
{
	var arr = regExp.exec(obj.value);
	try
	{
		var idx = arr.index;
		return true;
	}
	catch(e)
	{
		return false;
	}
}	

String.prototype.trim = new Function("return this.replace(/\\s+$|^\\s*/gi,'');");

function MM_swapImgRestore() { //v3.0
	var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
	var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
	var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
	if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.0
	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 && document.getElementById) x=document.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
	var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
	if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function GetDocObj(elementID)
{
	element = window.document.getElementById(elementID);
	return element;
}

function ValidateLogin(usernameID, passwordID, usernameMsg, passwordMsg)
{
	var IsOK = true;
	try
	{
		if (GetDocObj(usernameID).value.trim().length == 0)
		{
			alert(usernameMsg);
			GetDocObj(usernameID).focus();
			IsOK = false;
		}
		if (IsOK && GetDocObj(passwordID).value.trim().length == 0)
		{
			alert(passwordMsg);
			GetDocObj(passwordID).focus();
			IsOK = false;
		}
	}
	catch(e)
	{
		IsOK = false;
		alert("Client script error : " + e.message);
	}
	return IsOK;
}

function ValidatePasswordChange(
	usernameID, passwordID, newPasswordID, retypeNewPasswordID, 
	usernameMsg, passwordMsg, newPasswordMsg, acceptedPasswordCharsMsg, retypeNewPasswordMsg, 
	retypeNotEqualNewPasswordMsg, newPasswordNotEqualOldPasswordErrorMsg)
{
	var IsOK = true;
	try
	{
		if ((usernameID.length > 0) && 
			(GetDocObj(usernameID).value.trim().length == 0))
		{
			alert(usernameMsg);
			GetDocObj(usernameID).focus();
			IsOK = false;
		}
		if (IsOK && 
				GetDocObj(passwordID).value.trim().length == 0)
		{
			alert(passwordMsg);
			GetDocObj(passwordID).focus();
			IsOK = false;
		}
		if (IsOK && 
				GetDocObj(newPasswordID).value.trim().length == 0)
		{
			alert(newPasswordMsg);
			GetDocObj(newPasswordID).focus();
			IsOK = false;
		}
		if (IsOK && 
				!validateValue(regExpPassword, GetDocObj(newPasswordID)))
		{
			alert(acceptedPasswordCharsMsg);
			GetDocObj(newPasswordID).focus();
			IsOK = false;
		}
		if (IsOK && 
				GetDocObj(retypeNewPasswordID).value.trim().length == 0)
		{
			alert(retypeNewPasswordMsg);
			GetDocObj(retypeNewPasswordID).focus();
			IsOK = false;
		}
		if (IsOK && 
				GetDocObj(newPasswordID).value.trim() != 
				GetDocObj(retypeNewPasswordID).value.trim()) 
		{
			alert(retypeNotEqualNewPasswordMsg);
			GetDocObj(newPasswordID).focus();
			IsOK = false;
		}
		if (IsOK && 
				GetDocObj(newPasswordID).value.trim() == 
				GetDocObj(passwordID).value.trim()) 
		{
			alert(newPasswordNotEqualOldPasswordErrorMsg);
			GetDocObj(newPasswordID).focus();
			IsOK = false;
		}
	}
	catch(e)
	{
		IsOK = false;
		alert("Client script error : " + e.message);
	}
	return IsOK;
}

function openStartForm(label)
{
  url='/iperform/StartForm?redirect=true&label=' + encodeURIComponent(label);
  window.open(url,'Activity','height=600,width=800,resizable=yes,status=yes,scrollbars=yes,toolbar=no,menubar=no,location=no');
}