function validEmail(email){      
	var emailReg = /^[a-zA-Z0-9._-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4}$/;
	return emailReg.test(email); 
}
function trim(str) {
	var	str = str.replace(/^\s\s*/, ''),
		ws = /\s/,
		i = str.length;
	while (ws.test(str.charAt(--i)));
	return str.slice(0, i + 1);
}

function showOrigImage(id,w,h){
	var origImgWin
	var winParam = "left=" + (screen.availWidth-10-w)/2 + ",top=" + (screen.availHeight-30-h)/2 + ",scrollbars=0,resizable=0,width=" + w + ",height=" + h + ",toolbar=0,location=0,status=0,menubar=0";
	if (!origImgWin || origImgWin.closed) {
		origImgWin = window.open('win_showimage.asp?imgid='+id,'origImgWin',winParam)
	}
	origImgWin.focus()
}

function printPage(ptype,id) {
	var printWin
	var w = 660
	var h = 600
	var winParam = "left=" + (screen.availWidth-10-w)/2 + ",top=" + (screen.availHeight-30-h)/2 + ",width="+w+",height="+h+",scrollbars=1,resizable=1,toolbar=1,location=0,status=0,menubar=0";
	if (!printWin || printWin.closed) {
		printWin = window.open('/common/print.asp?id='+id+'&pt='+ptype,'printWin',winParam)
	}
	printWin.focus()
}

function nettbyShare(title, url, description) {
	nettby_link_share_window = window.open('http://www.nettby.no/user/edit_link.php?name=' + escape(title) + '&url=' + escape(url) + '&description=' + escape(description), 'edit_link', 'scrollbars=no,width=450,height=430');
	return false;
}