// JavaScript Document

function hideEmail(_name, _domain, _class) {
	if(_class==null) _class='';
	document.writeln('<a href="mailto:'+_name+'@'+_domain+'" class="'+_class+'">'+_name+'@'+_domain+'</a>');	
}
function addCSS(key,value) {
	document.writeln('<style type="text/css">'+key+'{'+value+'}</style>');
}

function addRemoveClass(id,className){
	domObj = document.getElementById(id);
	currentClass = domObj.className;
	if (currentClass.indexOf(className)<0){
		currentClass = currentClass+" "+className;
		domObj.className = currentClass;
	}else{
		currentClass = currentClass.replace(className, "");
		domObj.className = currentClass;
	}
}
function clearValue(obj,test_value){
	if(obj.value==test_value) obj.value = '';	
}
function resetValue(obj,reset_value){
	if(obj.value=='') obj.value = reset_value;	
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
// emailName is the name of the text field
function validateEmail(emailName) {
	var emailObj = MM_findObj(emailName);
	if (window.RegExp) {
		var regstr_1 = "(@.*@)|(\\.\\.)|(@\\.)|(\\.@)|(^\\.)"; //invalid email
		var regstr_2 = "^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,4})(\\]?)$"; //valid email
		var reg1 = new RegExp(regstr_1);
		var reg2 = new RegExp(regstr_2);
		if (emailObj.value.length > 0 && !reg1.test(emailObj.value) && reg2.test(emailObj.value)){
			return true;
		}else{
			alert("Please enter a valid email address.");
			emailObj.focus();
			emailObj.select();
			return false;
		}
	}else{
		var p=emailObj.value.indexOf('@'); var z=emailObj.value.indexOf('.');
        if (z<1 || z==(emailObj.value.length-1) || p<1 || p==(emailObj.value.length-1)){
			alert("Please enter a valid email address.");
			emailObj.focus();
			emailObj.select();
			return false;
		}else{
			return true;
		}
	}
}

function checkFieldLength(field,length,displayName){
	var field = MM_findObj(field);
	field.value = removeLeadingAndTrailingChar (field.value, " ");
	if(field.value.length < length){
		if(length == 1){
			alert("Please make sure "+displayName+" is completed.");
			field.select();
			field.focus();
		}else{
			alert("Please make sure "+displayName+" has at least "+length+" characters.");
			field.select();
			field.focus();
		}
		return false;
	}else{
		return true;
	}
}
function removeLeadingAndTrailingChar (inputString, removeChar){
	var returnString = inputString;
	if (removeChar.length){
		while(''+returnString.charAt(0)==removeChar){
			returnString=returnString.substring(1,returnString.length);
		}
		while(''+returnString.charAt(returnString.length-1)==removeChar){
			returnString=returnString.substring(0,returnString.length-1);
		}
	}
	return returnString;
}

function validateSelectList(selectID,diplayValue){
	var selectObj = MM_findObj(selectID);
	if(-1 == parseInt(selectObj.value)){
		alert("Please select a "+diplayValue+" value.");
		selectObj.focus();
		return false;
	}else{
		return true;
	}
}
function matchFields(field_1,field_2,displayName){
	var field_1 = MM_findObj(field_1);
	var field_2 = MM_findObj(field_2);
	if(field_1.value != field_2.value){
		alert("Please make sure that both "+displayName+" match correctly.");
		field_1.select();
		field_1.focus();
		return false;
	}else{
		return true;
	}
}
function initSelectValue(selectID,selectValue){
	if(selectValue!=""){
		var selectObj = document.getElementById(selectID);
		for(var i=0;i<selectObj.options.length;i++){
			if(selectValue == selectObj.options.item(i).value){
				selectObj.selectedIndex = i;
			}
		}
	}
}

function check_join_form(){
	if(checkFieldLength('firstname',1,'First Name') &&
		checkFieldLength('lastname',1,'Last Name') &&
		checkFieldLength('company',1,'Company') &&
		checkFieldLength('title',1,'Title') &&
		validateSelectList('occupation','Occupation') &&
		checkFieldLength('address1',1,'Address 01') &&
		checkFieldLength('city',1,'City') &&
		validateSelectList('state','State') &&
		checkFieldLength('zip',1,'Zip Code') &&
		checkFieldLength('phone',1,'Phone') &&
		validateEmail('email') &&
		matchFields('email','email2','Emails') &&
		checkFieldLength('password',5,'Password') &&
		matchFields('password2','password2','Passwords')
	){
		return true;
	}else{
		return false;
	}
	
}