//
// +----------------------------------------------------------------------+
// | Enterprise CMS                                                       |
// +----------------------------------------------------------------------+
// | Copyright (c) 2006 Patrik Šíma                                       |
// +----------------------------------------------------------------------+
// | Author : Patrik Šíma <sima@igldesign.cz>                             |
// |          http://www.igldesign.cz/                                    |
// +----------------------------------------------------------------------+
// $Id$
//

    function pokoje( x ) {
        var x = x.value;
        for(var i=0; i<6; i++) {
            if (i<x) {
                document.getElementById('radek'+i).style.display = 'block';
            } else {
                document.getElementById('radek'+i).style.display = '';
            }
        }
    }
    
    function spocitej() {
        var x = document.getElementById('pokoju').value;
        var c = 0;
    
        for( var i=0; i<x; i++) {
            d = parseFloat(document.getElementById('delka'+i).value.replace(',','.'));
            s = parseFloat(document.getElementById('sirka'+i).value.replace(',','.'));
            v = parseFloat(document.getElementById('vyska'+i).value.replace(',','.'));
    
            skrabani  = document.getElementById('skrabani'+i).checked;
            hmota     = document.getElementById('hmota-bila'+i).checked;
            sadrovani = document.getElementById('sadrovani'+i).value;
    
            m2 = (((s*d + s*v + d*v) * 2) - s*d);
    
            if (hmota) {
                c += m2 * 25;
            } else {
                c += m2 * 28;
            }
            if (skrabani) {
                c += m2 * 14;
            }
    
            switch( parseInt(sadrovani) ) {
                case 1: c += (m2/100*10) * 7; break;
                case 2: c += (m2/100*15) * 7; break;
                case 3: c += (m2/100*25) * 7; break;
            }
        }
    
        c = Math.round(c).toString(10);
    
        if (c.length > 3)
        {
            c = c.substring(0, c.length-3) + ' ' + c.substring(c.length-3);
        }
    
        document.getElementById('cena').firstChild.data = c + ',-';
    }