var current_id = "";
var main_nav = new Array ("casestudy","contact","faq","technology","back_to_top","send","home","media");
var myDomain = "teleradit.com";
for (var cnt=0; cnt < main_nav.length; cnt++) {
	eval ('var '+main_nav[cnt]+'_on = new Image();');
	eval (main_nav[cnt] + '_on.src = "images/btn_'+ main_nav[cnt] + '_on.gif"');
	eval ('var '+main_nav[cnt]+'_off = new Image();');
	eval (main_nav[cnt] + '_off.src = "images/btn_'+ main_nav[cnt] + '_off.gif"');
}	


function buttonAction (imgName, isItOn) {   
	if (imgName != "n"+current_id)
	{
		if (isItOn) 
			document[imgName].src = eval(imgName + "_on.src");
		else 
			document[imgName].src = eval (imgName + "_off.src");
	}
}

function buttonAction2 (imgName, isItOn,target) {   
	if (imgName != "n"+current_id)
	{
		if (isItOn) 
			document[target].src = eval(imgName + "_on.src");
		else 
			document[target].src = eval (imgName + "_off.src");
	}
}



function buildLink (username,className)
{
	var tmp  = username;
	var html = '';
	html     = '<a href="';
	html    += 'mailto:';
	html    += tmp;
	html    += '@';
	html    += myDomain;
	html    += '" class="'+className+'">';
	html    += tmp;
	html    += '@';
	html    += myDomain;
	html    += '</a>';
	document.write (html);
}	

function resetErrorField (object,id)
{

	if (document.getElementById(id).className == 'input_box_error')
	{
		document.getElementById(id).className = 'input_box'
		object.value = '';
	}
}

function validContactForm(formName)
{
	var myForm   = eval ("document."+formName);
	var reqField = new Array ("text|name","text|job_title","text|company","email|email","text|phone");
	var valid    = true;	
	for (i=0; i < reqField.length; i++)
	{
		var tmp = reqField[i].split("|");
		
		if (tmp[0] == "text" && myForm[tmp[1]].value == "")
		{
			document.getElementById('id_'+tmp[1]).className = 'input_box_error';
			myForm[tmp[1]].value = 'Please fill out required field';			
			valid = false;
		}
		else if (tmp[0] == "email" && ((myForm[tmp[1]].value).indexOf("@") == -1 || (myForm[tmp[1]].value).indexOf(".") == -1))
		{
			document.getElementById('id_'+tmp[1]).className = 'input_box_error';
			myForm[tmp[1]].value = 'Please enter a valid email address';			
			valid = false;
		}
	}
	if (valid)
		myForm.submit();	
}

function validFreeArticleForm(formName)
{
	var myForm   = eval ("document."+formName);
	var reqField = new Array ("text|first_name","text|last_name","email|email","text|phone");
	var valid    = true;	
	for (i=0; i < reqField.length; i++)
	{
		var tmp = reqField[i].split("|");
		
		if (tmp[0] == "text" && myForm[tmp[1]].value == "")
		{
			document.getElementById('id_'+tmp[1]).className = 'input_box_error';
			myForm[tmp[1]].value = 'Please fill out required field';			
			valid = false;
		}
		else if (tmp[0] == "email" && ((myForm[tmp[1]].value).indexOf("@") == -1 || (myForm[tmp[1]].value).indexOf(".") == -1))
		{
			document.getElementById('id_'+tmp[1]).className = 'input_box_error';
			myForm[tmp[1]].value = 'Please enter a valid email address';			
			valid = false;
		}
	}
	if (valid)
		myForm.submit();	
}