function de(letter,field) {
	if (field==0) formelem=document.forms[0].elements[0];
	if (letter=="ae") formelem.value += "ä";
	if (letter=="ue") formelem.value += "ü";
	if (letter=="oe") formelem.value += "ö";
	if (letter=="Ae") formelem.value += "Ä";
	if (letter=="Ue") formelem.value += "Ü";
	if (letter=="Oe") formelem.value += "Ö";
	if (letter=="sz") formelem.value += "ß";
	formelem.focus();
}

function cz(letter,field) {
	if (field==0) formelem=document.forms[0].elements[0];
	if (letter=="cz-1")  formelem.value += "á";
	if (letter=="cz-2")  formelem.value += "č";
	if (letter=="cz-3")  formelem.value += "é";
	if (letter=="cz-4")  formelem.value += "ě";
	if (letter=="cz-5")  formelem.value += "í";
	if (letter=="cz-6")  formelem.value += "ň";
	if (letter=="cz-7")  formelem.value += "ó";
	if (letter=="cz-8")  formelem.value += "ř";
	if (letter=="cz-9") formelem.value += "š";
	if (letter=="cz-10") formelem.value += "ú";
	if (letter=="cz-11") formelem.value += "ů";
	if (letter=="cz-12") formelem.value += "ý";
	if (letter=="cz-13") formelem.value += "ž";
	formelem.focus();
}

function clean() {
	document.forms[0].elements[0].value='';
	document.forms[0].elements[0].focus();
	document.forms[0].elements[0].select();
}

function display (element_id) {
	element = document.getElementById(element_id);
	
	if(element.style.display == 'none') 
		element.style.display = '';
	else element.style.display = 'none';
	
	if ($('open_pic').src.indexOf('img_icon_open')>0) $('open_pic').src='/images/img_icon_close.gif'; else $('open_pic').src='/images/img_icon_open.gif';	
	
}