dom = (document.getElementById)? true : false;
ie4 = (document.all && !dom)? true : false;
nn4 = (document.layers)? true : false;


function getElement( elemId )
{
    if (dom)
        return document.getElementById(elemId);
    else
        if (ie4)
            return document.all[elemId];
        else
            if (nn4)
                return document.layers[elemId];
    return null;
}




function MakeQShop(query,div){
	var req = new JsHttpRequest();
	req.onreadystatechange = function(){
        if (req.readyState == 4){
            if (req.responseJS) {
            	getElement(div).innerHTML = req.responseJS.q;
            }
			getElement(div).innerHTML = req.responseText;
        }
	}
	req.caching = false;
	req.open('POST', '/includes/shop/ajax_shop.php', true);
	req.send({ q: query, test:303 });
}


function showZakaz(){
	var div = 'divzak';
	var	query = '&job=showzakaz&goodsid='+getElement('goodsid').value +'&matid='+getElement('matid').value + '&gart='+getElement('gart').value;
	getElement('divzak').style.display='block';
	
	MakeQShop(query,div);
}

function MakeKolvo(){
	
	if (Number(getElement('kolvo').value)>=20){
	
		var div = 'divkolvo';
		var	query = '&job=showaddkolvo&goodsid='+getElement('goodsid').value +'&matid='+getElement('matid').value + '&gart='+getElement('gart').value
		+ '&kolvo='+getElement('kolvo').value;
		
		MakeQShop(query,div);
		
		var div = 'bagout';
		var	query = '&job=showbagout';
		MakeQShop(query,div);
		
	}
	else {
		
		alert('Количество должно быть минимум 20');
		return 0;
	} 
}



function ShowMat( id, price, goods_id, colors_id ){
	var div = 'showmat';
	var	query = '&job=showmat&id='+id+ '&goods_id='+goods_id+'&colors_id=' + colors_id ;
	//alert(query);
	MakeQShop(query,div);
	
	getElement('matid').value=id;
	getElement('goodsid').value=goods_id;
	
	getElement('divcena').style.visibility='visible';
	getElement('divcena').innerHTML="цена: &nbsp;<span id=cena class=cena>&nbsp;</span> <span class=ye>у.е.</span>";
	getElement('cena').innerHTML=price;
	getElement('butzak').style.display='block';
	getElement('divzak').style.display='none';

}


function ShowGrafLines(gart,colors_id){
	var div = 'showgraf';
	var	query = '&job=showgraf&gart='+gart;
	MakeQShop(query,div);
	getElement('grafart').innerHTML=gart;
	
	var div = 'listmat';
	var query = '&job=changemat&gart='+gart+'&colors_id='+colors_id;
	MakeQShop(query,div);
	getElement('showmat').innerHTML='&nbsp;';
	getElement('divcena').innerHTML="<span style='font-size:12px;'>выберите <b>материалы обложек</b></span><span id=cena class=cena>&nbsp;</span>";
	
	getElement('gart').value=gart;
	getElement('divzak').style.display='none';
	
}