function SelectedRadioVal(obj)
{
	if ( typeof(obj.length) == 'undefined' ) return obj.value;
	for (i=0; i<obj.length; i++) 
		if (obj[i].checked) return(obj[i].value);
}

function SetSelectedRadio(obj,val)
{
	if ( typeof(obj.length) == 'undefined' ) { obj.checked = true; return true }
	for (i=0; i<obj.length; i++) 
		if (obj[i].value == val ) obj[i].checked = true;
}

function isValidEmail(em , emField)
{
	if ( em.indexOf("@")==-1 || em.indexOf(".")==-1 || em.indexOf("@.")!=-1 || em.indexOf("/")!=-1 || em.indexOf("\\")!=-1 || em.indexOf('"')!=-1 || em.indexOf("'")!=-1 || em.indexOf(" ")!=-1) {
		alert("Please enter a valid email address in the form username@domain.com");
		emField.focus();
		return (false)
	}
	
	return true;
}

function isValidPasswd(pw , pwField)
{
	var validLen = 7;
	var	alpha = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
	var num = '0123456789';
	
	var isNum = 0;
	var isAlpha = 0;
	
	if ( pw.length < validLen ) {
		alert("Choose a password more than 7 charcters.");
		return false;
	}
	
	return true;

/*	i = 0;
	while (  i < pw.length ){

		c = pw.slice(i,i+1);
		
		if ( num.search(c) != -1 ) isNum = 1;
		if ( alpha.search(c) != -1 ) isAlpha = 1;
		
		if (  isNum == 1 && isAlpha == 1 ) 
			return true;

		i++;

	}

	alert("Choose at least one number and one letter in your password .");
	return false;
*/
}