/* ------------------------------------------------------
*  JavaScript Object Actions Library
*  (c) 2004 Evdokimov Dmitry
*/

opera = (navigator.userAgent.indexOf('Opera') >= 0)? true : false;
dom = (document.getElementById && !opera)? true : false;
ie4 = (document.all && !dom && !opera)? true : false;
nn4 = (document.layers)? true : false;

/////////////////////////////////////////////////////////////////////
// Cross-browser function SetValue(Identifier, Value) - sets value to 
// element attribute 'value'. Elemesnt is searched on identifier 
// 

function SetValue(Ident, Val)
{
        var ChangedElement = (dom) ? document.getElementById(Ident) : document.all[Ident];

        ChangedElement.value = Val; 
}


/////////////////////////////////////////////////////////////////////
// Cross-browser function GetValue(Ident) - gets value to 
// element attribute 'value'. Element is searched on identifier 
// 

function GetValue(Ident)
{
        var ChangedElement = (dom) ? document.getElementById(Ident) : document.all[Ident];
        return ChangedElement.value; 
}

function emailCheck (emailStr) {
	var emailPat=/^(.+)@(.+)$/
	var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"
	var validChars="\[^\\s" + specialChars + "\]"
	var quotedUser="(\"[^\"]*\")"
	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
	var atom=validChars + '+'
	var word="(" + atom + "|" + quotedUser + ")"
	var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")
	var matchArray=emailStr.match(emailPat)
	if (matchArray==null) {
		alert("Email address seems incorrect (check @ and .'s)")
		return false
	}
	var user=matchArray[1]
	var domain=matchArray[2]
	if (user.match(userPat)==null) {
		alert("The username doesn't seem to be valid")
		return false
	}
	var IPArray=domain.match(ipDomainPat)
	if (IPArray!=null) {
		// this is an IP address
		  for (var i=1;i<=4;i++) {
			if (IPArray[i]>255) {
				alert("Destination IP address is invalid")
			return false
			}
		}
		return true
	}
	var domainArray=domain.match(domainPat)
	if (domainArray==null) {
		alert("The domain name doesn't seem to be valid")
		return false
	}
	var atomPat=new RegExp(atom,"g")
	var domArr=domain.match(atomPat)
	var len=domArr.length
	if (domArr[domArr.length-1].length<2 || 
		domArr[domArr.length-1].length>3) {
	   alert("The address must end in a three-letter domain, or two letter country")
	   return false
	}
	if (len<2) {
	   var errStr="This address is missing a hostname"
	   alert(errStr)
	   return false
	}
	return true;
}

function windowOpener (winLink,ww,wh)
{
	window.open(winLink.href, winLink.target, 'width='+wh+',height='+wh+',toolbar=no,menubar=no,location=no,status=no,resizable=yes,scrollbars=no');
	return false;
}