function winopen (src, name, w, h){
	popWin = window.open(src, name, 'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=1,copyhistory=0,width='+w+', height='+h+',top=20,left=30');
}

function num_text_tab (obj) {
	//num tab
	if (obj.value == 'YES'){
		var element = document.getElementById('text-tab');
		element.style.display="none";
		
		var element = document.getElementById('num-tab');
		element.style.display="block";
	}
	else if (obj.value == 'NO'){
		var element = document.getElementById('text-tab');
		element.style.display="block";
		
		var element = document.getElementById('num-tab');
		element.style.display="none";
	}
}

function input_dis_enable (theInput, theSet) {
	var elt = document.getElementById (theInput);
	elt.disabled = theSet;
}

function input_hide_show (theInput, theSet) {
	var elt = document.getElementById (theInput);
	elt.style.display = theSet;
}

//---- zapnuti podpory ajax v skriptu ---- 
function ajax_start(source) {
	
	// odmazeme stary skript, pokud existoval
	var hlavicka = document.getElementsByTagName('head')[0];
	var dataLoader = document.getElementById('scriptLoader');
	if(dataLoader) hlavicka.removeChild(dataLoader);
	
	// vytvorime novy element script
	script = document.createElement('script');
	script.id = 'scriptLoader';
	script.src = source;
	
	// POZOR, DULEZITE!! Skript musime vlozit do stranky pomoci DOM - appendChild()
	// Ihned po vlozeni prohlizec stahne skript a spusti jej
	x = document.getElementsByTagName('head')[0];
	x.appendChild(script);
	
	return false;
}

//---- change icon - only for admintool ----
//---------------------------------------------------------
//---- change icons ----
function icon_change_adm (theImg, theAction){
	if (theImg == 'undefined') {
        return false;
    }
	
	if (theAction == 'ASC'){ 
		var img_src = 'arrow_up.gif';
	}
	else if (theAction == 'DESC'){
		var img_src = 'arrow_down.gif';
	}
	else {
		var img_src = 'arrow_no.gif';
	}
	
	theImg.src = '../template/design/'+img_src;
	
}