function write_div(text){
	div1=document.getElementById('di1')

	div1.innerHTML=text;
}
 
function vergroot(n){
document.getElementById(n).style.display = "";
document.getElementById(n).style.zIndex = document.getElementById(n).style.zIndex + 1;


}

function vergroot_hide(n){
document.getElementById(n).style.display = "none";
document.getElementById(n).style.zIndex = "100";

}

function openomrekentabel(){ 

	window.open( "/includes/tools/omreken/omrekenen.php", 
					"", 
					"resizable=1,HEIGHT=300,WIDTH=280,scrollbars=yes"); 

}


function show_menu(div){

	CloseAllMenus();
	SetSlide2(div);

}

function show_veld_voorspellingen(){
	
		document.getElementById('voorspellingen_veld').style.display='';
		document.getElementById('metingen_veld').style.display='none';
		
}function show_veld_metingen(){
	
		document.getElementById('voorspellingen_veld').style.display='none';
		document.getElementById('metingen_veld').style.display='';
}