var xmlhttp = false;
var imageLoading = '<img src="/images/loading_white.gif" alt="Loading ..." \/>';
var textLoading = 'Loading ...';

function $()
{
	var elements = new Array();
	for (var i = 0; i < arguments.length; i++)
	{
		var element = arguments[i];
		if (element && typeof element == 'string')
			element = document.getElementById(element);
		if (arguments.length == 1)
			return element;
		elements.push(element);
	}
	return elements;
}

function addslashes(str)
{
	return (str+'').replace(/([\\"'])/g, "\\$1").replace(/\0/g, "\\0");
}

function stripslashes(str)
{
	return str.replace('/\0/g', '0').replace('/\(.)/g', '$1');
}

function strip_tags(str, allowed_tags)
{
	var key = '', tag = '';
	var matches = allowed_array = [];
	var allowed_keys = {};
	if (allowed_tags)
	{
		allowed_tags  = allowed_tags.replace(/[\<\> ]+/g, '');
		allowed_array = allowed_tags.split(',');

		for (key in allowed_array)
		{
			tag = allowed_array[key];
			allowed_keys['<' + tag + '>']   = true;
			allowed_keys['<' + tag + ' />'] = true;
			allowed_keys['</' + tag + '>']  = true;
		}
	}
	matches = str.match(/(<\/?[^>]+>)/gi);
	for (key in matches)
	{
		tag = matches[key];
		if (!allowed_keys[tag])
		{
			str = str.replace(tag, "");
		}
	}
	return str;
}

function chunk_split(body, argChunklen, argEnd)
{
	var result = '', chunklen = argChunklen || 76, end = argEnd || '\r\n';
	if (chunklen < 1)
	{
		return false;
	}
	while (body.length > chunklen)
	{
		result += body.substring(0, chunklen) + end;
		body = body.substring(chunklen);
	}
	return result + body + end;
}

function html_entity_decode(string)
{
	var ret;
	var textarea = document.createElement('textarea');
	textarea.style.position='absolute';
	textarea.style.top='-9999px';
	textarea.style.left='-9999px';
	document.body.appendChild(textarea);
	textarea.innerHTML = string;
	ret = textarea.value;
	document.body.removeChild(textarea);
	return ret;
}

function htmlentities(str)
{
	var div = document.createElement('div');
	div.style.position='absolute';
	div.style.top='-9999px';
	div.style.left='-9999px';
	document.body.appendChild(div);
	var text = document.createTextNode(str);
	div.appendChild(text);
	var html = div.innerHTML;
	document.body.removeChild(div);
	return html;
}

function doubleLines(str)
{
	return str.replace(/\n/g, '\n\n');
}

function in_array(needle, haystack, argStrict)
{
	var key = '', strict = !!argStrict;
	if (strict)
	{
		for (key in haystack)
		{
			if (haystack[key] === needle)
			{
				return true;
			}
		}
	}
	else
	{
		for (key in haystack)
		{
			if (haystack[key] == needle)
			{
				return true;
			}
		}
	}
	return false;
}

function getWriteableById(id)
{
	if($(id))
	{
		var el = $(id);
		return (el.type) ? 'value' : 'innerHTML';
	}
	else
	{
		return 'innerHTML';
	}
}

function doWrite(id, content)
{
	var w = getWriteableById(id);
	switch(w)
	{
		case 'value': $(id).value = doubleLines(strip_tags(stripslashes(content))); break;
		case 'innerHTML': $(id).innerHTML = stripslashes(content); break;
	}
}

function getHTTPReq(url, query, destinationid)
{
	if($(destinationid))
	{
		showLoading(destinationid);
		
		url = url+'?'+query+'&jsid='+Math.random();
		if (window.XMLHttpRequest) { xmlhttp=new XMLHttpRequest(); }
		else if (window.ActiveXObject) { xmlhttp=new ActiveXObject("Microsoft.XMLHTTP"); }
		if (xmlhttp)
		{
			xmlhttp.open("GET", url, true);
			xmlhttp.onreadystatechange = function()
			{
				if (xmlhttp.readyState==4)
				{
					if (xmlhttp.status==200) { doWrite(destinationid, xmlhttp.responseText); }
					else { doWrite(destinationid, 'Fail'); }
				}
			}
			if (window.XMLHttpRequest) { xmlhttp.send(null); }
			else if (window.ActiveXObject) { xmlhttp.send(); }
		}
	}
}

function postHTTPReq(url, query, destinationid)
{
	if($(destinationid))
	{
		showLoading(destinationid);
		
		query = query+'&jsid='+Math.random();
		if (window.XMLHttpRequest)
		{
			xmlhttp=new XMLHttpRequest();
			if (xmlhttp.overrideMimeType) { xmlhttp.overrideMimeType('text/html'); }
		}
		else if (window.ActiveXObject)
		{
			try
			{
				xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
			} 
			catch (e)
			{
				try { xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); } 
				catch (e) {}
			}
		}
		if (xmlhttp)
		{
			xmlhttp.onreadystatechange = function()
			{
				if (xmlhttp.readyState==4)
				{
					if (xmlhttp.status==200) { doWrite(destinationid, xmlhttp.responseText); }
					else { doWrite(destinationid, 'Fail'); }
				}
			}
			xmlhttp.open("POST", url, true);
			xmlhttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
			xmlhttp.setRequestHeader("Content-length", query.length);
			xmlhttp.setRequestHeader("Connection", "close");
			xmlhttp.send(query);
		}
	}
}

function toggleDiv(divid)
{
	if($(divid))
	{
		if ($(divid).style.display == 'none')
		{
			$(divid).style.display = 'block';
			$('buttons').style.display = 'none';
		}
		else
		{
			$(divid).style.display = 'none';
		}
	}
}
function ShowReg1(op)
{
	$('Firm').style.display='none';
	if (op == 5)
	{
		$('Firm').style.display='inline';
	}
}

function ShowReg2(op)
{
	$('Position').style.display='none';
	if (op == 5)
	{
		$('Position').style.display='inline';
	}
}

function ShowReg3(op)
{
	$('Country').style.display='none';
	if (op == 4)
	{
		$('Country').style.display='inline';
	}
}











function setForm(frm)
{
	getHTTPReq('submit.php', 'f='+frm, frm);
}

function insertAfter( referenceNode, newNode )
{
    referenceNode.parentNode.insertBefore( newNode, referenceNode.nextSibling );
}

function showMsg(obj, err)
{
	if(!$('e'+obj))
	{
		var errdiv = document.createElement('div');
		errdiv.setAttribute('style', 'text-align:left; color:#ff0000');
		errdiv.setAttribute('id', 'e'+obj);
		errdiv.innerHTML = err;
		insertAfter($(obj), errdiv);
	}
	else
	{
		$('e'+obj).innerHTML = err;
	}
}

function clearErr(evt)
{
	if (!evt) evt = window.event;
	var picid = '';
	if(evt && evt.srcElement && (evt.srcElement.tagName=='INPUT'||evt.srcElement.tagName=='TEXTAREA')) { picid = evt.srcElement.id; }
	else if(evt && evt.target && (evt.target.tagName=='INPUT'||evt.target.tagName=='TEXTAREA')) { picid = evt.target.id; }
	if ($('e'+picid))
	{
		$('e'+picid).innerHTML='';
	}
}

function clearErr2(evt)
{
	if (!evt) evt = window.event;
	var picid = '';
	if(evt && evt.srcElement && evt.srcElement.tagName=='SELECT') { picid = evt.srcElement.id; }
	else if(evt && evt.target && evt.target.tagName=='SELECT') { picid = evt.target.id; }
	if ($('e'+picid))
	{
		$('e'+picid).innerHTML='';
	}
}

function clearErr3(evt)
{
	if (!evt) evt = window.event;
	var cbx = new Array('sweets', 'advertisement', 'magazinearticle', 'arcat', 'searchengine', 'other');
	var picid = '';
	if(evt && evt.srcElement && evt.srcElement.tagName=='INPUT') { picid = evt.srcElement.id; }
	else if(evt && evt.target && evt.target.tagName=='INPUT') { picid = evt.target.id; }
	if ($('elong_bottom') && in_array(picid, cbx))
	{
		$('elong_bottom').innerHTML='';
	}
}

function validateSubmit()
{
	var firstname = $('firstname');
	if(firstname.value=='') { showMsg('firstname', 'Please fill in your First Name.'); firstname.focus(); return false; }
	
	var lastname = $('lastname');
	if(lastname.value=='') { showMsg('lastname', 'Please fill in your Last Name.'); lastname.focus(); return false; }
	
	var email = $('email');
	var filter = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if (!filter.test(email.value)) { showMsg('email', 'Please enter correct email address.'); email.focus(); return false; }
	
	var dayphone = $('dayphone');
	if(dayphone.value=='') { showMsg('dayphone', 'Please fill in your Phone.'); dayphone.focus(); return false; }
	
	var company = $('company');
	if(company.value=='') { showMsg('company', 'Please fill in your Company.'); company.focus(); return false; }
	
	var typeoffirm = $('typeoffirm');
	if(typeoffirm.value=='0') { showMsg('typeoffirm', 'Please select your Firm Type.'); typeoffirm.focus(); return false; }
	if(typeoffirm.value=='5' && $('firmtype').value=='Specify Your Type of Firm') { showMsg('firmtype', 'Please specify your Firm Type.'); $('firmtype').focus(); return false; }
	
	var yourposition = $('yourposition');
	if(yourposition.value=='0') { showMsg('yourposition', 'Please select your Position.'); yourposition.focus(); return false; }
	if(yourposition.value=='5' && $('position').value=='Specify Your Position') { showMsg('position', 'Please specify your Position.'); $('position').focus(); return false; }
	
	var address1 = $('address1');
	if(address1.value=='') { showMsg('address1', 'Please fill in your Address.'); address1.focus(); return false; }
	
	var city = $('city');
	if(city.value=='') { showMsg('city', 'Please fill in your City.'); city.focus(); return false; }
	
	var state = $('state');
	if(state.value=='') { showMsg('state', 'Please select your State.'); state.focus(); return false; }
	
	var zip = $('zip');
	if(zip.value=='') { showMsg('zip', 'Please fill in your Zip Code.'); zip.focus(); return false; }
	
	var country = $('country');
	if(country.value=='0') { showMsg('country', 'Please select your Country.'); country.focus(); return false; }
	if(country.value=='4' && $('country_other').value=='Specify Your Country') { showMsg('country_other', 'Please specify your Country.'); $('country_other').focus(); return false; }
	
	
	if($('download').checked==false && $('cd').checked==false && $('binder').checked==false)
	{
		showMsg('method', 'Please select at least one method for receiving.'); return false;
	}
	
	
	if($('sweets').checked==false && $('arcat').checked==false && $('advertisement').checked==false && $('searchengine').checked==false && $('magazinearticle').checked==false && $('other').checked==false)
	{
		showMsg('long_bottom', 'Please select at least one resource how you find out about Krieger.'); return false;
	}
	
	if($('advertisement').checked==true && $('advertisementinfo').value=='Please describe')
	{
		showMsg('advertisementinfo', 'Please specify which Advertisement.'); $('advertisementinfo').focus(); return false;
	}
	
	if($('searchengine').checked==true && $('searchengineinfo').value=='Please describe')
	{
		showMsg('searchengineinfo', 'Please specify which Search Engine.'); $('searchengineinfo').focus(); return false;
	}
	
	if($('magazinearticle').checked==true && $('magazinearticleinfo').value=='Please describe')
	{
		showMsg('magazinearticleinfo', 'Please specify which Magazine.'); $('magazinearticleinfo').focus(); return false;
	}
	
	if($('other').checked==true && $('otherinfo').value=='Please describe')
	{
		showMsg('otherinfo', 'Please specify which Info.'); $('otherinfo').focus(); return false;
	}
	
	return true;
}
document.onkeyup = clearErr;
document.onmouseup = clearErr;
document.onmouseup = clearErr2;
document.onclick = clearErr3;