function isMail(mail)
{
	er=/^[a-zA-Z0-9\-_]+[a-zA-Z0-9\.\-_]*@[a-zA-Z0-9\-_]+\.[a-zA-Z0-9\-_]{1,}/
	er.compile;
	return er.test(mail);
}
function isNum(val)
{
	er=/^\d+[\.|,]{0,1}\d*$/
	return er.test(val);
}
function isLoginPass(mot)
{
	er=/^[a-zA-Z0-9]{5,15}$/
	er.compile;
	return er.test(mot);
}
function isURL(mot)
{
	er=/^(http|ftp|https):\/\/[\w\-_]+(\.[\w\-_]+)+([\w\-\.,@?^=%&:/~\+#]*[\w\-\@?^=%&/~\+#])?$/
	er.compile;
	return er.test(mot);
}
function popup(page)
{
window.open(page,'popup','width=610,height=320,resizable=false, toolbar=false, scrollbar=false, directory=false, status=false, location=false, menubar=false');
}