// Background kleur selecteren voor hoofdnavigatie SELECTED

function startFuncties (nav) {
	
	// schakel alle backgrounds van buttons uit
	document.getElementById("butHome").style.backgroundColor = "";
	document.getElementById("butHome").style.color = "";
	
	document.getElementById("meerknop_menu_parent").style.backgroundColor = "";
	document.getElementById("meerknop_menu_parent").style.color = "";
	
	document.getElementById("butKlanten").style.backgroundColor = "";
	document.getElementById("butKlanten").style.color = "";

	document.getElementById("meerknop_menu_parent4").style.backgroundColor = "";
	document.getElementById("meerknop_menu_parent4").style.color = "";

	
	
	if (nav == 1){
		
	var mButton = document.getElementById("butHome");  // get id en verander bg color
	mButton.style.backgroundColor = "#797979";  
	mButton.style.color = "#FFFFFF";  
	
	}
	
	else if (nav == 2){
		
	var mButton = document.getElementById("meerknop_menu_parent");  // get id en verander bg color
	mButton.style.backgroundColor = "#797979";  
	mButton.style.color = "#FFFFFF";  
	
	}
	
	else if (nav == 3){
		
	var mButton = document.getElementById("butKlanten");  // get id en verander bg color
	mButton.style.backgroundColor = "#797979";  
	mButton.style.color = "#FFFFFF";  
	
	}
	
	else if (nav == 4){
		
	var mButton = document.getElementById("meerknop_menu_parent4");  // get id en verander bg color
	mButton.style.backgroundColor = "#797979";  
	mButton.style.color = "#FFFFFF";  
	
	}
		
}