var l_clear = true;
var p_clear = true;

function clickEx(mode){
	if (mode == 'l' && l_clear){
		document.getElementsByName('Name')[0].value = '';
		l_clear = false
	}
	if (mode == 'p' && p_clear){
		document.getElementsByName('Password')[0].value = '';
		p_clear = false
	}
}