/**
 * @author Ju
 */

function hide(element) {
	document.getElementById(element).style.display = "none";
}
function show(element) {
	document.getElementById(element).style.display = "block";
}
function hideToggle(element) {
	if (document.getElementById(element).style.display != "none") {
		hide(element);
	} else {
		show(element);
	}
}

function setHeader(){
	zzahl = getRandom(0,2);
	loadImg();
	if (zzahl == 0){
		document.getElementById('kopf').style.backgroundImage = 'url(wp-content/themes/philharmonixx/bilder/kopf_news_1_oben.jpg)';
	}
	if (zzahl == 1){
		document.getElementById('kopf').style.backgroundImage = 'url(wp-content/themes/philharmonixx/bilder/kopf_news_2_oben.jpg)';	
	}
	if (zzahl == 2){
		document.getElementById('kopf').style.backgroundImage = 'url(wp-content/themes/philharmonixx/bilder/kopf_news_3_oben.jpg)';	
	}	
}

function setHeaderKai(){
	loadImg();
	document.getElementById('kopf').style.backgroundImage = 'url(wp-content/themes/philharmonixx/bilder/kopf_kai_1_oben.jpg)';
}

function getRandom( min, max ) {
	if( min > max ) {
	return( -1 );
	}
	if( min == max ) {
	return( min );
	}
	return min + parseInt( Math.random() * ( max-min+1 ));
}

i=0;
function loadImg(){
	zahl = getRandom(1,7);
	i = zahl;
	document.getElementById('bilder_rechts_anzeige').style.backgroundImage = 'url(wp-content/themes/philharmonixx/fotos/klein/'+i+'.jpg)';	
}

function nextImg(){
	zahl = i;
	if (zahl <= 6){
		zahl = zahl + 1;	
	} else {
		zahl=1;
	}
	document.getElementById('bilder_rechts_anzeige').style.backgroundImage = 'url(wp-content/themes/philharmonixx/fotos/klein/'+zahl+'.jpg)';
	i = zahl;
}

function lastImg(){
	zahl = i;
	if (zahl > 1){
		zahl = zahl - 1;	
	} else {
		zahl=7;
	}
	i = zahl;
	document.getElementById('bilder_rechts_anzeige').style.backgroundImage = 'url(wp-content/themes/philharmonixx/fotos/klein/'+zahl+'.jpg)';
}

function downloadImg(){
	open('wp-content/themes/philharmonixx/fotos/'+i+'.jpg',"philharmonixx - download","width=1024,height=768,left=0,top=16,screenX=0,screenY=0");
}