var ie4=document.all&&navigator.userAgent.indexOf("Opera")==-1
var ns6=document.getElementById&&!document.all
var ns4=document.layers


function popup(file, width, height) {
   plik = window.open(file, '_blank', 'toolbar=no,menubar=no,scrollbars=yes,resizable=yes,status=no,location=no,directories=no,fullscreen=no,width='+width+',height='+height);	
}

function popup_center(file, width, height,wname) {
   pozX=(screen.width/2)-(width/2);
   pozY=(screen.height/2)-(height/2);
   plik = window.open(file, wname, 'toolbar=no,menubar=no,scrollbars=yes,resizable=no,status=no,location=no,directories=no,fullscreen=no,width='+width+',height='+height+',left='+pozX+',top='+pozY);	
   plik.focus();
}

function set_value(form, element, newval){
   el=eval('document.forms.'+form+'.'+element);
   el.value=newval;
}


function send() {
	var width=750;
	var height=500;
        pozX=(screen.width/2)-(width/2);
        pozY=(screen.height/2)-(height/2);
	window.open('/products/compare.php', 'compwindow', 'toolbar=no,menubar=no,scrollbars=yes,resizable=yes,status=no,location=no,directories=no,fullscreen=no,width='+width+',height='+height+',left='+pozX+',top='+pozY);	
	document.forms['compfrm'].target='compwindow';
	document.forms['compfrm'].submit();
}

function set_all(stat) {
	for(i = 0; i < document.compfrm.elements.length; i++) {
		if(document.compfrm.elements[i].type == 'checkbox') {
		     if (stat==1) document.compfrm.elements[i].checked=true;
		     if (stat==0) document.compfrm.elements[i].checked=false;
		}
	}
}

function disp(name,vis){
	menuobj=ie4? document.all[name]: ns6? document.getElementById(name) : ns4? eval('document.'+name) : ""
	menuobj.thestyle=(ie4||ns6)? menuobj.style : menuobj
	if (vis==1) menuobj.thestyle.visibility='visible';
	else menuobj.thestyle.visibility='hidden';
}

function wyswietlaj(name,vis){
	menuobj=ie4? document.all[name]: ns6? document.getElementById(name) : ns4? eval('document.'+name) : ""
	menuobj.thestyle=(ie4||ns6)? menuobj.style : menuobj
	if (vis==1) menuobj.thestyle.display='block';
	else menuobj.thestyle.display='none';
}

function swicz(name) {
	menuobj=ie4? document.all[name]: ns6? document.getElementById(name) : ns4? eval('document.'+name) : ""
	menuobj.thestyle=(ie4||ns6)? menuobj.style : menuobj
	
	if (menuobj.thestyle.display=='none') menuobj.thestyle.display='block';
	else menuobj.thestyle.display='none';
}