/*
*
* validate the form on the contact.htm page
*
*/

function validate_mailto(frm){

	// alert("validating");
	
	var errmsg = '';      // Clear Error msg
	var isok = true;      // Clear Value

	if (frm.reference_no.value.length == 0) { errmsg += '* Please enter property reference number.\n'; isok = false; }

	if (frm.yourName.value.length == 0) { errmsg += '* Please enter your name.\n'; isok = false; }

	var val = frm.yourEmail.value; var p = val.indexOf('@');
    if ((p < 1) || (p == (val.length-1))) { errmsg += '* Invalid e-mail address, please try again.\n'; isok = false;}
	
	
	
	if (!isok) { alert (errmsg) }

	return isok;
}

/*
*
* clear text box when clicked
*
*/
function doClear(yourName) {
     if (yourName.value == yourName.defaultValue) {
         yourName.value = ""
     }
 }
/*
*
* does the given radio button have a choice selected?
*
*/
function radio_on(rad){
	for (i=0;i<rad.length;i++) {
	        if (rad[i].checked){ return true; }
	}
	return false;

}