var bew_menu;
var currentEdge;

function placeFocus() {
	
	if (document.forms.length > 0) {
		var field = document.forms[0];
		for (i = 0; i < field.length; i++) {
			if ((field.elements[i].type == "text") || (field.elements[i].type == "textarea") || (field.elements[i].type.toString().charAt(0) == "s")) {
				document.forms[0].elements[i].focus();
				break;
			}
		}
	}
}	

	function highlight(el) {
		el.style.borderTopColor = 'lightgray';
		el.style.borderBottomColor = 'lightgray';
	}
	function setnormal(el) {
		el.style.borderTopColor = 'transparent';
		el.style.borderBottomColor = 'transparent';
	}
	
		
	function checkTierart() {
		var sel = document.getElementById('searchForm:art');
		var label = document.getElementById('searchForm:freigang_label');
		var freigang = document.getElementById('searchForm:freigang_all');			
		if(sel.selectedIndex == 2) {
			label.style.display = 'block';
			freigang.style.display = 'block';
		}
		else {
			label.style.display = 'none';
			freigang.style.display = 'none';
		}
	}
	
	function setEdge(id) {
		if(currentEdge == null) initEdge();
		currentEdge.style.visibility = 'hidden';
		currentEdge = document.getElementById(id);
		currentEdge.style.visibility = 'visible';
	}
	function resetEdge() {
		currentEdge.style.visibility = 'hidden';
		currentEdge = bew_menu;
		currentEdge.style.visibility = 'visible';
	}
			
	function initEdge() {
		bew_menu = document.getElementById("bew_menu");
		currentEdge = bew_menu;
	}