function bill(){
if ( document.getElementById("getbill").checked == true ){
	document.getElementById("bill_work").disabled = false;
	document.getElementById("bill_numb").disabled = false;
	document.getElementById("bill_town").disabled = false;
	document.getElementById("bill_strt").disabled = false;
	document.getElementById("bill_home").disabled = false;
	document.getElementById("bill_door").disabled = false;
	
}else{
	document.getElementById("bill_work").disabled = true;
	document.getElementById("bill_numb").disabled = true;
	document.getElementById("bill_town").disabled = true;
	document.getElementById("bill_strt").disabled = true;
	document.getElementById("bill_home").disabled = true;
	document.getElementById("bill_door").disabled = true;
}	
}



function incr(id) {
	// noveljuk a szamot a hidden inputban
	var dbinput = document.getElementById("db"+id);
	dbinput.value = parseInt(parseInt(dbinput.value)+parseInt(1));
	
	// jelenitsuk meg a szamot
	var dbdisp = document.getElementById("dbdisp"+id);
	dbdisp.innerHTML = dbinput.value;

	// szamoljuk ujra az arat
	var baseprice = document.getElementById("baseprice"+id);
	var price = baseprice.value*dbinput.value;
	var costdisp = document.getElementById("costdisp"+id);
	costdisp.innerHTML = price;

	refreshprices();
}

function decr(id) {
	// csokkentjuk a szamot a hidden inputban
	var dbinput = document.getElementById("db"+id);
	if( dbinput.value > 1 ) { 
		dbinput.value = parseInt(parseInt(dbinput.value)-parseInt(1));
	
		// jelenitsuk meg a szamot
		var dbdisp = document.getElementById("dbdisp"+id);
		dbdisp.innerHTML = dbinput.value;

		// szamoljuk ujra az arat
		var baseprice = document.getElementById("baseprice"+id);
		var price = baseprice.value*dbinput.value;
		var costdisp = document.getElementById("costdisp"+id);
		costdisp.innerHTML = price;
		
		refreshprices();
		
	}else{
		dbinput.value = parseInt(parseInt(dbinput.value)-parseInt(1));
		var dbdisp = document.getElementById("dbdisp"+id);
		dbdisp.innerHTML = dbinput.value;
		document.getElementById("rendeles"+id).innerHTML='';
		//document.getElementById("rendeles"+id).innerHTML='<table class="basket" cellpadding="0" cellspacing="0" width="100%"><tr class="tr"><td width="20%" class="td"></td><td width="25%" class="td"></td><td width="15%" class="td"></td><td width="10%" class="td"></td><td width="10%" class="hholder"></td><td width="20%" class="td"><span name="costdisp'+id+'" id="costdisp'+id+'">0</span></td></tr></table>';

		refreshprices();
	}
}

function refreshprices() {
	// osszeszamoljuk a rendelesek arat
	var fullprice = 0;
	// document.getElementById("costdisp"+core)
	for(core=1; core<50; core++) {
		if(document.getElementById("costdisp"+core)){
			fullprice = fullprice+parseInt(document.getElementById("costdisp"+core).innerHTML);
		}
	}

	// kiirjuk a rendelesek osszesitett arat es hozzaadjuk a homogen arat, ha van
	document.getElementById("orderprice").innerHTML = fullprice;	
	if ( document.getElementById("homogenprice") ) {
		fullprice = fullprice+parseInt(document.getElementById("homogenprice").innerHTML);
	}

	// kedvezmeny, es a vegeredmeny
	document.getElementById("internetprice").innerHTML = "-"+(Math.round(fullprice*0.05));
	fullprice = fullprice - (Math.round(fullprice*0.05));
	document.getElementById("outprice").innerHTML = fullprice;
	
	if(fullprice==0){
		var today = new Date();
		var expire = new Date();
		var nDays=1;
		expire.setTime(today.getTime() + 3600000*24*nDays);
		document.cookie = "corleone_basket=;expires="+expire.toGMTString();
		document.location="?menu=kosar";
	}
}

function tooglebill() {
	if ( document.getElementById("getbill").checked == true ) {
		document.getElementById("openbill").style.height = parseInt(document.getElementById("billtable").offsetHeight)+"px";
	} else {
		document.getElementById("openbill").style.height = "0px";
	}
}