function check_browser() 
{ 
	/*
	if(navigator.plugins["Shockwave Flash"])
	{
		flash_installed="ok";
	}
	else
	{
		flash_installed="nok"	
	}		
	*/
	
	//---------------------------------------
	var browser=navigator.appName;
	var version=navigator.appVersion; 	
	//alert(browser);
	//alert(version);				
			
	// find which browser it is
	if (browser.indexOf("Netscape") >= 0)
	{
		/*
		document.write("<div align='center'>U werkt met volgende browser: "+browser+" - "+version+"</div>");
		document.write("<div align='center'>De minimum systeemvereisten voor de ePorts website is Internet Explorer 5.0</div>");
		document.write("<div align='center'>Om een recente versie van Internet Explorer te downloaden: <a href='http://www.microsoft.com/downloads/details.aspx?FamilyID=1e1550cb-5e5d-48f5-b02b-20b602228de6&displaylang=en' target='_blank'>Klik hier</a></div>");
		*/
		//browser = "nok";
		return "FF";
		//alert("FF")		
	}
	
	else if(browser.indexOf("Microsoft") >= 0)
	{
		// find which version
		if (version.indexOf("3.") >= 0)
		{
			/*
			document.write("<div align='center'>U werkt met volgende browser: "+browser+" - "+version+"</div>");
			document.write("<div align='center'>De minimum systeemvereisten voor de ePorts website is Internet Explorer 5.0</div>");
			document.write("<div align='center'>Om een recente versie van Internet Explorer te downloaden: <a href='http://www.microsoft.com/downloads/details.aspx?FamilyID=1e1550cb-5e5d-48f5-b02b-20b602228de6&displaylang=en' target='_blank'>Klik hier</a></div>");
			*/
			//browser = "nok";
			return "IE";
			//alert("IE3")
		}
				
		if (version.indexOf("4.") >= 0)
		{
			/*
			document.write("<div align='center'>U werkt met volgende browser: "+browser+" - "+version+"</div>");
			document.write("<div align='center'>De minimum systeemvereisten voor de ePorts website is Internet Explorer 5.0</div>");
			document.write("<div align='center'>Om een recente versie van Internet Explorer te downloaden: <a href='http://www.microsoft.com/downloads/details.aspx?FamilyID=1e1550cb-5e5d-48f5-b02b-20b602228de6&displaylang=en' target='_blank'>Klik hier</a></div>");					
			*/
			//browser = "nok";
			//alert("IE4")
			return "IE";
		}
				
		if (version.indexOf("5.") >= 0)
		{
			//window.location="eports.html";	
			//browser = "ok"
			alert("IE5")
			return "IE";		
		}
				
		if (version.indexOf("6.") >= 0)
		{					
			//window.location="eports.html";					
			//browser = "ok"
			//alert("IE6")
			return "IE";
		}
		
			if (version.indexOf("7.") >= 0)
		{					
			//window.location="eports.html";					
			//browser = "ok"
			//alert("IE7")
			return "IE";
		}
	}
	//alert(browser);		
}