function clearText(thefield){
	if (thefield.defaultValue==thefield.value)
	thefield.value = ""
	};
function hotel(id) {
	window.location = id;
	};
function okno(id,riadok) {
	
window.open('/data/kalkuluj.php?a=1&id='+id+'&riadok='+riadok+'','','toolbar=no,menubar=no,location=no,width=620,height=580,top=50,left=50,scrollbars=yes,resizable=yes');
}
function okno_provizny() {
	
window.open('/data/kalkuluj_provizny.php','','toolbar=no,menubar=no,location=no,width=620,height=580,top=50,left=50,scrollbars=yes,resizable=yes');
}
function ellenoriz_zmluva() {
	if (document.zmluva.suhlas.checked==false){
		alert('Musíte súhlasiť so všeobecnými podmienkami!');
		return false;
		}	
}
function ellenoriz_objednavka() {
	if (document.form1.suhlas.checked==false){
		alert('Musíte súhlasiť so všeobecnými podmienkami!');
		return false;
		}	
}

function disableIt2()
{
if (document.form5.dvojtermin.checked==true)
	document.form5.id_hotel2.disabled = false;
if (document.form5.dvojtermin.checked==false)
	document.form5.id_hotel2.disabled = true;
}

menu_status = new Array();
function showHide(theid){
    if (document.getElementById) {
    var switch_id = document.getElementById(theid);

        if(menu_status[theid] != 'show') {
           switch_id.className = 'show';
           menu_status[theid] = 'show';
        }else{
           switch_id.className = 'hide';
           menu_status[theid] = 'hide';
        }
    }
}

///////////////////////////////////////////////////////////////
//rotovanie obrazkov na bannerovom mieste

var step=1;

function change_to(image){
	switch (image){
		case 'first':
			document.getElementById('first').style.display = "block";
			document.getElementById('second').style.display = "none";
			document.getElementById('third').style.display = "none";
			document.getElementById('fourth').style.display = "none";
			document.getElementById('fifth').style.display = "none";
			step=1;
		break;
		case 'second':
			document.getElementById('first').style.display = "none";
			document.getElementById('second').style.display = "block";
			document.getElementById('third').style.display = "none";
			document.getElementById('fourth').style.display = "none";
			document.getElementById('fifth').style.display = "none";
			step=2;
		break;
		case 'third':
			document.getElementById('first').style.display = "none";
			document.getElementById('second').style.display = "none";
			document.getElementById('third').style.display = "block";
			document.getElementById('fourth').style.display = "none";
			document.getElementById('fifth').style.display = "none";
			step=3;
		break;
		case 'fourth':
			document.getElementById('first').style.display = "none";
			document.getElementById('second').style.display = "none";
			document.getElementById('third').style.display = "none";
			document.getElementById('fourth').style.display = "block";
			document.getElementById('fifth').style.display = "none";
			step=4;
		break;
		case 'fifth':
			document.getElementById('first').style.display = "none";
			document.getElementById('second').style.display = "none";
			document.getElementById('third').style.display = "none";
			document.getElementById('fourth').style.display = "none";
			document.getElementById('fifth').style.display = "block";
			step=5;
		break;
		
	}

}
function slideit(krok){
		//if browser does not support the image object, exit.
		
		
	switch (step){
		case 1:
			document.getElementById('first').style.display = "block";
			document.getElementById('second').style.display = "none";
			document.getElementById('third').style.display = "none";
			document.getElementById('fourth').style.display = "none";
			document.getElementById('fifth').style.display = "none";
		break;
		case 2:
			document.getElementById('first').style.display = "none";
			document.getElementById('second').style.display = "block";
			document.getElementById('third').style.display = "none";
			document.getElementById('fourth').style.display = "none";
			document.getElementById('fifth').style.display = "none";
		break;
		case 3:
			document.getElementById('first').style.display = "none";
			document.getElementById('second').style.display = "none";
			document.getElementById('third').style.display = "block";
			document.getElementById('fourth').style.display = "none";
			document.getElementById('fifth').style.display = "none";
		break;
		case 4:
			document.getElementById('first').style.display = "none";
			document.getElementById('second').style.display = "none";
			document.getElementById('third').style.display = "none";
			document.getElementById('fourth').style.display = "block";
			document.getElementById('fifth').style.display = "none";
		break;
		case 5:
			document.getElementById('first').style.display = "none";
			document.getElementById('second').style.display = "none";
			document.getElementById('third').style.display = "none";
			document.getElementById('fourth').style.display = "none";
			document.getElementById('fifth').style.display = "block";
		break;
		
	}
		
		
		
		if (step<krok)
		step++
		else
		step=1
		
		//call function "slideit()" every 5 seconds
		setTimeout("slideit("+krok+")",5000)
}