function PlusMinus(id)
{	
	pole = document.getElementById(id).src.split("/");
	if(pole[pole.length-1] == "menu_plus.gif")
	{
		document.getElementById(id).src = "/shop/img/menu_minus.gif";
	}
	else
		document.getElementById(id).src = "/shop/img/menu_plus.gif";		
}
function showsn(id) 
{ 
	di=document.getElementById('sn'+id).style.display; 
if(di=='none') 
	di='block'; 
else 
	di='none'; 
document.getElementById('sn'+id).style.display=di; 
} 

function showdop(id) 
{ 
	var di1;
	var di2;
	var di3;
	var di4;
	var none='none';
	var display='inline'
	if(id == 1) {
		di1=display;
		di2=none;
		di3=none;
		di4=none;
	}
	else if(id == 2) {
		di1=none;
		di2=display;
		di3=display;
		di4=display;
	}
	else if(id == 3) {
		di1=display;
		di2=display;
		di3=display;
		di4=display;
	}
	document.getElementById('poznn').style.display=none; 
	document.getElementById('dop1').style.display=di1; 
	document.getElementById('dop2').style.display=di2; 
	//document.getElementById('dop3').style.display=di3; 
	//document.getElementById('dop4').style.display=di4;
}

function paramDescShow(paramId) {
	window.open('/shop/paramDesc.php?paramId=' + (paramId) + '', "_blank","scrollbars=1,status=0,toolbar=0,location=0,directories=0,height=250,width=420,left=10,top=100,resizable=1", true);
}