// Becker simple UI 

function $id(id)
{
	return document.getElementById(id);	
}

function showhider(id1, id2)
{
	document.getElementById(id1).style.display = 'none';
	document.getElementById(id2).style.display = 'block';
}


function toggler(id)
{
	toggleShowHide = id+"Toggle";
	
	
	if(document.getElementById(id).style.display == 'none')
	{
		document.getElementById(id).style.display = 'block';
		if(document.getElementById(toggleShowHide))
		{
			$id(toggleShowHide).innerHTML = 'hide'
		}
	
	
	}else{
		document.getElementById(id).style.display = 'none';	
		if(document.getElementById(toggleShowHide))
		{
			$id(toggleShowHide).innerHTML = 'show'
		}
	}
}

var required = "<strong>Bold</strong> fields required";




// USE THIS VALIDATOR! It's great just pass in an array of req field names, and a cookie parameter if you want..

function properValidate(reqFieldArray, param)
{
		var valid = true;
		var errors = "";
		
		
		for(i=0; i<reqFieldArray.length; i++)
		{
			var reqField = document.getElementById(reqFieldArray[i])	
			if(!reqField.value)
			{
				$id(reqFieldArray[i]).style.background = "tomato";
				errorScreen = reqFieldArray[i].replace(/_/gi, " ");
				errorScreen = errorScreen.replace(/sample/, "");
				errors += "- "+errorScreen+"<br />";
				valid = false;
			}
		}
		
		if(!valid)
		{
			alert('Please fill in all required fields');
			$id('errors').innerHTML = errors;
		}else{
			if(param == "downloadsba" || param == "downloadsha")
			{
				createCookie(param,true,90);
			}
		}
		
		return valid;
		
		
}





//-------------------------OLD Validator, it's kept because some pages (landing pages) might be using it.
function isValid(id1, id2, id3, id4, err, param){
	$id(err).innerHTML = required;
	valid = true;
	
	if(id2 != 'null')
	{
		var firstname = $id(id2).value;
		if (firstname == ""){
			alerter("- First name", err);
			valid = false;
		}
	}
	
	
	if(id3 != 'null')
	{
		var lastname = $id(id3).value;
		if (lastname == "")
		{
			alerter("- Last name", err);
			valid = false;
		}	
		
	}
	
	
	if(id4 != 'null')
	{
		var company = $id(id4).value;
		if (company == ""){
			alerter("- Company", err);
			valid = false;
		}
	}
	
	if(id1 != 'null')
	{
		if (echeck(id1) == false)
		{
			alerter("- Email", err);
			valid = false;
		}
		
	}
	
	

	if(valid == false)
	{
		alert("Please fill in all required fields");
	}else{
		if(param == "downloadsba")
		{
			createCookie("downloadsba",true,90);
		}
		if(param == "downloadsha")
		{
			createCookie("downloadsha",true,90);
		}
	}
	
	
	
	return valid;
}


//-------------------------email Validator
function echeck(id1) {
		var pattern = /^([a-zA-Z0-9_\.\-\+])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
		email1 = $id(id1).value;
		
		return pattern.test(email1);
		
}


		
function alerter(prob, err)
{
	erroring = $id(err).innerHTML;	
	$id(err).innerHTML = erroring+"<br />"+prob;
	
}

// ----Cookies
function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}