var Browser = "";
var OS = "";

function checkEnter(e)
{
    characterCode = (e && e.which) ? e.which : event.keyCode;

    if(characterCode == 13)
    {
        document.form1.submit();
    }
}

function OpenAssistanceWindow(Math, Minimum, LanguageId)
{
    var LanguageId = (parseInt(LanguageId) > 0) ? LanguageId : 2;
	window.open('../../Assistance/CheckClient.aspx?math='+Math+'&minimum='+Minimum+'&LanguageId='+LanguageId,'','scrollbars=1,width=750,height=550,top=50,left=50');
}

function DoFocus()
{
	f1 = document.form1;
	try
	{
		if (f1) f1.UserName.focus();
	}
	catch(e) {}
}

function CheckClient()
{
	if (!CookieIsEnabled())
		var CheckResult = "<tr><td align='center' colspan='2'><br/><span style='font:bold normal 10pt Arial;color: red;'>Nettleseren din tillater ikke cookies (informasjonskapsler).<br/>Dette m&aring; du aktivere f&oslash;r du kan logge inn.</span></td></tr>";

/*	if (!BrowserIsCompatible(Browser))
		var CheckResult = "<tr><td align='center' colspan='2'><br/><span style='font:bold normal 10pt Arial;color: red;'>Du bruker " + Browser + " som nettleser.<br/> Dette systemet krever Microsoft Internet Explorer 5.5 eller nyere.</span></td></tr>";
	
	if (!SystemIsCompatible(OS))
		var CheckResult = "<tr><td align='center' colspan='2'><br/><span style='font:bold normal 10pt Arial;color: red;'>Du bruker " + OS + " som operativsystem.<br/> Dette systemet krever Microsoft Windows.</span></td></tr>";
*/    
    
	if (CheckResult)
	{
		DisableLogin();
		return CheckResult;
	}
	else
	{
		document.getElementById("UserName").disabled = false;
		return "";
	}
}

function DisableLogin()
{
	try
	{
		document.getElementById("UserName").disabled = true;
		document.all["UserPassword"].disabled = true;
		document.getElementById("LoginButton").style.visibility = "hidden";
	}
	catch(e)
	{
		alert("Error in DisableLogin. " + e.message + ".");
	}
}

function CookieIsEnabled()
{
	document.cookie = 'killme' + escape('nothing')
	if (document.cookie == "") 
	{
		return false;
	} 
	else 
	{
		return true;
	}
}

function BrowserIsCompatible()
{
	if(document.images)
	{
	    if(navigator.userAgent.indexOf("Opera") != -1)
		{
	        Browser = "Opera";
	    }
	    else if(navigator.userAgent.indexOf("Firefox") != -1)
		{
	        Browser = "Firefox";
	    }
        else if(navigator.userAgent.indexOf("AOL") != -1)
		{
            Browser = "AOL";
        }
		else
		{
			if (document.all && !document.getElementById)
				Browser = "Internet Explorer 4";
			if (document.layers)
				Browser = "Netscape 4";
			if (document.addEventListener)
				Browser = "Netscape 6";
			if (document.all && document.getElementById)
				return true;
		}
	}
	else
	{
	    Browser = "et sv&aelig;rt gammelt program";
	}
}

function SystemIsCompatible()
{
	if (navigator.platform == "Win32")
	{
		OS = "Windows";
		return true;
	}
	else
	{
		if(navigator.userAgent.indexOf("Mac") != -1)
		{
		    OS = "Mac";
		}
		else
			OS = "et ukjent system";
			
		return false;
	}
}

function goPopUp(pfilename, title, pwidth, pheight, top, left) 
{
    splashWin = window.open(pfilename, title ,"toolbar=0,location=0,scrollbars=1,width=" + pwidth + " ,height=" + pheight +",resizable=1,top=" +top + ",left=" + left); 
    splashWin.focus(); 
}