function doDropdown(se, iid) {
	//alternative dropdown, find selected option (first), and put it into normal input field
    // iid = target input id
    // se = selected option
	var i;
	for (i = 0; i < se.options.length; i++) {
		if (se.options[i].selected) {
			document.forms.language[iid].value = se.options[i].text;
			se.style.display = "none";
//			window.location.href = se.options[i].value;
		}
	}
}

function showHideLayer(chosenLayer){
	if(document.getElementById(chosenLayer).style.display== 'block'){
		document.getElementById(chosenLayer).style.display='none';
	}
	else {document.getElementById(chosenLayer).style.display='block';}
}

function showLayer(chosenLayer){
	document.getElementById(chosenLayer).style.display='block';
}