function fct_changeCursorOver(obj){
	obj.style.cursor = "pointer"
}

function fct_changeCursorOut(obj){
	obj.style.cursor = "auto"
}

function checkEmail(email) {
	var reg = /^[a-z0-9._-]+@[a-z0-9.-]{2,}[.][a-z]{2,4}$/
	return (reg.exec(email)!=null)
}