// JavaScript Document

function checkOS()
{

	if(navigator.userAgent.indexOf('IRIX') != -1)
	{ 
		var OpSys = "Irix";
	}
	else if ( navigator.userAgent.indexOf('Win') != -1 )
	{
		var OpSys = "Win";
	}
	else if ( navigator.userAgent.indexOf('Mac') != -1 )
	{
		var OpSys = "Mac";
	}
	else
	{
		var OpSys = "other";
	}

	return OpSys;
}


function checkBrowser()
{

	var agt=navigator.userAgent.toLowerCase();



	if( ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1)
                && (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1)
                && (agt.indexOf('webtv')==-1) && (agt.indexOf('hotjava')==-1)) )
	{ 
		var Nav = "Netscape";
	}
	else if( ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1)) )
	{
		var Nav = "Explorer";
	}
	else
	{
		var Nav = "other";
	}

	return Nav;
}