function loadpage() 
{
	if(screen.width<801)
   	{
   		document.getElementById("top_menu").style.fontSize = "20px";
   		document.getElementById("top_menu").style.height= "35px";
   		document.getElementById("top_menu").style.backgroundRepeat= "repeat";
  	}


	browver= parseInt(navigator.appVersion);
	browtype = navigator.appName;
	browsertype = "old";
	if (browtype == "Netscape" && !(browver < 3)) 
	{
		browsertype = "new"; 
	}
	if (browtype == "Microsoft Internet Explorer" && !(browver < 4)) 
	{
		browsertype = "new";
	}
	if (browtype == "Opera" && !(browver < 4)) 
	{
		browsertype = "new";
	}

	if (browsertype == "new") 
	{
		thetimer = setTimeout("veranderplaatje()", 5000);
		i = 0
		j = 0
//cursus: 1 5 9    boeken : 2 10 6 -   -  HBO 3 7 COO 4 8 tools 12
	}


}

function veranderplaatje()
{
	if (browsertype == "new") 
	{
		j = j + 1;
		if ( j > 4) 
		{
			j = 0;
			i = i + 1;
			if (i >= 3)
			{
				i = 0;
			}
		}
		idPlaatje = "bannerad" + i
		if (j==0) {window.document.getElementsByName("bannerad0").item(0).src = "Banners/cadcollege" + j + i + ".jpg";}
		if (j==1) {window.document.getElementsByName("bannerad1").item(0).src = "Banners/cadcollege" + j + i + ".jpg";}
		if (i<=1)
		{
			if (j==2) {window.document.getElementsByName("bannerad2").item(0).src = "Banners/cadcollege" + j + i + ".jpg";}
			if (j==3) {window.document.getElementsByName("bannerad3").item(0).src = "Banners/cadcollege" + j + i + ".jpg";}
			if (i==0)
			{
				if (j==4) {window.document.getElementsByName("bannerad4").item(0).src = "Banners/cadcollege" + j + i + ".jpg";}
			}	
		}	

		thetimer = setTimeout("veranderplaatje()", 2500);
	}

}


window.onload=loadpage;