parts = new Array();
parts[0] = 'zavod';
parts[1] = 'products';
parts[2] = 'quality';
parts[3] = 'feedback';
parts[4] = 'contacts';
parts[5] = 'rasporka';
parts[6] = 'zavodeng';
parts[7] = 'productseng';
parts[8] = 'qualityeng';
parts[9] = 'feedbackeng';
parts[10] = 'contactseng';
parts[11] = 'rasporka';

function changePart(part, lang) {
    part = part+lang;
    
    if (lang=='eng') {
        start = 6;
        end = parts.length;
    }
    else {
        start = 0;
        end = 6;
    }
	for (i=start; i<end; i++) {

		if (parts[i] == part) {
            
            if ( document.getElementById('div'+parts[i]) ) {
			     document.getElementById('div'+parts[i]).style.display = 'block';
            }
            if ( document.getElementById('title'+parts[i]) ) {
			     document.getElementById('title'+parts[i]).className = 'hover';
            }
		}
		else {
            if ( document.getElementById('div'+parts[i]) ) {
			     document.getElementById('div'+parts[i]).style.display = 'none';
            }
            if ( document.getElementById('title'+parts[i]) ) {
			     document.getElementById('title'+parts[i]).className = '';
            }
		}
	}
}

function restore(part, lang) {
    part = part+lang;
    if (lang=='eng') {
        start = 6;
        end = parts.length;
    }
    else {
        start = 0;
        end = 6;
    }
    
    for (i=start; i<parts.length; i++) {

        if (parts[i] != part) {
            if ( document.getElementById('div'+parts[i]) ) {
                 document.getElementById('div'+parts[i]).style.display = 'none';
            }
            if ( document.getElementById('title'+parts[i]) ) {
                 document.getElementById('title'+parts[i]).className = '';
            }
        }
    }
    
    if ( document.getElementById('div'+part) ) {
        document.getElementById('div'+part).style.display = 'block';
    }
    if ( document.getElementById('title'+part) ) {
        document.getElementById('title'+part).className = 'hover';
    }      
}