function ext1NewsTabsClear() {
	for(var i=0; i<6; i++) {
		var poz = document.getElementById("ext1_newstab"+i);
		poz.className = "portal_cms_tab_b";
		var panel = document.getElementById("ext1_panel_"+i);
		panel.style.display = "none";
	}
}

function ext1NewsTabsChange(i) {
	ext1NewsTabsClear();
	var poz = document.getElementById("ext1_newstab"+i);
	poz.className = "portal_cms_tab";
	var panel = document.getElementById("ext1_panel_"+i);
	panel.style.display = "block";
}

/***********************************************
* Textarea Maxlength script- © Dynamic Drive (www.dynamicdrive.com)
* This notice must stay intact for legal use.
* Visit http://www.dynamicdrive.com/ for full source code
***********************************************/
function ismaxlength(obj) {
	var mlength=obj.getAttribute? parseInt(obj.getAttribute("maxlength")) : ""
	if (obj.getAttribute && obj.value.length>mlength)
	obj.value=obj.value.substring(0,mlength)
}

function isemail(e){return /^[\w\.-]{2,}@[\w\.-]+\.[a-z]{2,5}$/i.test(e)}