// -*- mode: javascript -*- 

// JavaScript 1.3 aka ECMA-262 support => ( Netscape >= 4.06; IE >= 5.0)

var isDOM = (document.getElementById ? true : false); 
var isIE4 = ((document.all && !isDOM) ? true : false);
var isNS4 = (document.layers ? true : false);
var isDyn = (isDOM || isIE4 || isNS4);

function getTag(id){
 if (isDOM) return document.getElementById(id);
 if (isIE4) return document.all[id];
 if (isNS4) return document.layers[id];
}

function getTagStyle(id){
 return (isNS4 ? getTag(id) : getTag(id).style);
} 

function check_disclaimer(f,txt) {

    if (! f.disclaimer.checked) {
        alert(txt);
	f.disclaimer.focus();
	return false;
    } 
    return true;

}

function empty(o,v) {

    if (o.value == v) {
        o.value = "";
    }

}