function getObj(id,d)
{
	var i,x;  if(!d) d=document; 
	if(!(x=d[id])&&d.all) x=d.all[id]; 
	for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][id];
	for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=getObj(id,d.layers[i].document);
	if(!x && document.getElementById) x=document.getElementById(id); 
	return x;
};

// a target=_blank kompatibilitas

function externalLinks() {
 if (!document.getElementsByTagName) return;
 var anchors = document.getElementsByTagName("a");
 for (var i=0; i<anchors.length; i++) {
   var anchor = anchors[i];
   if (anchor.getAttribute("href") &&
       anchor.getAttribute("rel") == "external")
     anchor.target = "_blank";
 }
}

// trim fuggveny
function trim (str) {
	str = str.replace(/^\s+/, '');
	for (var i = str.length - 1; i >= 0; i--) {
		if (/\S/.test(str.charAt(i))) {
			str = str.substring(0, i + 1);
			break;
		}
	}
	return str;
}

// contact form ellenorzes

function check_form (form, msg) {

	filled_form = false;

	for (i=1; i<5; i++) {
		
		if (trim(form.elements['form'+i].value) != "" && i != 3) filled_form = true;
	
	}
	
	if (!filled_form) alert (msg);

	return filled_form;

}