var bName = navigator.appName;
function formLimit(taObj,maxL) {
	if (taObj.value.length >= maxL) return false;
	return true;
}

function formCount(taObj,Cnt,maxL) {
	objCnt=createObject(Cnt);
	objVal=taObj.value;
	if (objVal.length>maxL) objVal=objVal.substring(0,maxL);
	if (objCnt) {
		if(bName == "Netscape"){
			objCnt.textContent=maxL-objVal.length;}
		else{objCnt.innerText=maxL-objVal.length;}
	}
	return true;
}

function createObject(objId) {
	if (document.getElementById) return document.getElementById(objId);
	else if (document.layers) return eval("document." + objId);
	else if (document.all) return eval("document.all." + objId);
	else return eval("document." + objId);
}

/**
 * DHTML email validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */
function echeck(str) {

		var at="@";
		var dot=".";
		var lat=str.indexOf(at);
		var lstr=str.length;
		var ldot=str.indexOf(dot);
		if (str.indexOf(at)==-1){
		   return false;
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   return false;
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    return false;
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    return false;
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    return false;
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    return false;
		 }

		 if (str.indexOf(" ")!=-1){
		    return false;
		 }

 		 return true;
	}

function ValidateForm(){
	var emailID=document.contactForm.email;
	var response=document.contactForm.response;
	if(response.selectedIndex == 1) {
		if ((emailID.value==null)||(emailID.value=="") || echeck(emailID.value)==false){
			alert("Please enter a valid email address to receive a response");
			emailID.focus();
			return false;
		}
	}
	return true;
 }

function ValidateLogin(){
	var username=document.loginForm.username;
	var password=document.loginForm.password;
	if ((username.value==null)
			||(username.value=="")
			||(password.value==null)
			||(password.value=="")){
		alert("Enter a username and password to login");
		username.focus();
		return false;
	}
	return true;
 }