// javascript DHMTL - funktionen
// author: alexander stier, cuti & stier gbr


function toggle(div){
	var div1 = document.getElementById(div)
	if (div1.style.display == 'none') {
		div1.style.display = 'block'
	} else {
		div1.style.display = 'none'
	}
}

function switchNext(starter){
	var divs = document.getElementsByTagName("div");
	var selectionDiv = document.getElementById(starter);
	for(var i = 0; i < divs.length;i++){
		if(divs[i] == selectionDiv){
			//var previous = divs[i - 1];
			if (divs[i+1].style.display == "block") {
				divs[i+1].style.display = "none";
			} else {
				divs[i+1].style.display = "block";
			}
		}
	}
}