function xMenu1(){ //wkładka żelowa
	if(document.getElementById('xChild1').style.display=='none') {
		document.getElementById('xChild1').style.display='block';
		}
	else {
		document.getElementById('xChild1').style.display='none';
		}
	
	
		
}
function xMenu2(){ //monolityczne
	if(document.getElementById('xChild2').style.display=='none') {
		document.getElementById('xChild2').style.display='block';
		}
	else {
		document.getElementById('xChild2').style.display='none';
		}

		
}


function xMenu3(){ //broszury
	if(document.getElementById('xChild3').style.display=='none') {
		document.getElementById('xChild3').style.display='block';
		}
	else {
		document.getElementById('xChild3').style.display='none';
		}
		
		if(document.getElementById('xChild4').style.display=='none') {
		document.getElementById('xChild4').style.display='block';
		}
	else {
		document.getElementById('xChild4').style.display='none';
		}	

		
}

function xMenu4(){ //informacje techniczne
	if(document.getElementById('xChild5').style.display=='none') {
		document.getElementById('xChild5').style.display='block';
		}
	else {
		document.getElementById('xChild5').style.display='none';
		}
		
		if(document.getElementById('xChild6').style.display=='none') {
		document.getElementById('xChild6').style.display='block';
		}
	else {
		document.getElementById('xChild6').style.display='none';
		}	
		
				if(document.getElementById('xChild7').style.display=='none') {
		document.getElementById('xChild7').style.display='block';
		}
	else {
		document.getElementById('xChild7').style.display='none';
		}	

		
}