var currentDiv = "algemeen";

function slideInDiv(divId)
{	
	if(divId == currentDiv)
	{
	}else{
		document.getElementById("nav_" + currentDiv).className = "nav_notcurrent";
		document.getElementById("nav_" + divId).className = "nav_current";
		
		document.getElementById(currentDiv).style.display = "none";
		Effect.Appear(divId);
		
		
		currentDiv = divId;
	}
}