window.onload = prep;

var BrowserDetect = {
	init: function () {
		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
		this.version = this.searchVersion(navigator.userAgent)
			|| this.searchVersion(navigator.appVersion)
			|| "an unknown version";
		this.OS = this.searchString(this.dataOS) || "an unknown OS";
	},
	searchString: function (data) {
		for (var i=0;i<data.length;i++)	{
			var dataString = data[i].string;
			var dataProp = data[i].prop;
			this.versionSearchString = data[i].versionSearch || data[i].identity;
			if (dataString) {
				if (dataString.indexOf(data[i].subString) != -1)
					return data[i].identity;
			}
			else if (dataProp)
				return data[i].identity;
		}
	},
	searchVersion: function (dataString) {
		var index = dataString.indexOf(this.versionSearchString);
		if (index == -1) return;
		return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
	},
	dataBrowser: [
		{ 	string: navigator.userAgent,
			subString: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari"
		},
		{
			prop: window.opera,
			identity: "Opera"
		},
		{
			string: navigator.vendor,
			subString: "iCab",
			identity: "iCab"
		},
		{
			string: navigator.vendor,
			subString: "KDE",
			identity: "Konqueror"
		},
		{
			string: navigator.userAgent,
			subString: "Firefox",
			identity: "Firefox"
		},
		{
			string: navigator.vendor,
			subString: "Camino",
			identity: "Camino"
		},
		{		// for newer Netscapes (6+)
			string: navigator.userAgent,
			subString: "Netscape",
			identity: "Netscape"
		},
		{
			string: navigator.userAgent,
			subString: "MSIE",
			identity: "Explorer",
			versionSearch: "MSIE"
		},
		{
			string: navigator.userAgent,
			subString: "Gecko",
			identity: "Mozilla",
			versionSearch: "rv"
		},
		{ 		// for older Netscapes (4-)
			string: navigator.userAgent,
			subString: "Mozilla",
			identity: "Netscape",
			versionSearch: "Mozilla"
		}
	],
	dataOS : [
		{
			string: navigator.platform,
			subString: "Win",
			identity: "Windows"
		},
		{
			string: navigator.platform,
			subString: "Mac",
			identity: "Mac"
		},
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};
BrowserDetect.init();

function prep(){
	if (BrowserDetect.browser != "Explorer"){
		if (document.getElementById('contact')){
			var contact_link = document.getElementById('contact_link');
			contact_link.onclick = function(){
				return contactForm();
			}
		}
	}
}

function contactForm()
{
	if (!document.getElementById('contact_form')){
		var content = document.getElementById('home_content');
		
		var contact_div = document.createElement('div');
		contact_div.setAttribute('id', 'contact_form');
		var form = createForm('post', 'contact.php');
		
		var paragraphs = new Array;
		
		var fields = new Array(
			new Array('Name', 'name'),
			new Array('Email', 'email'),
			new Array('Subject', 'subject')
		);
		
		var field_num = fields.length;
		for (var n=0; n < field_num; n++){
			var pgh = document.createElement('p');
			var label = createLabel('new', fields[n][0]);
			var input = createInput('', 'text', fields[n][1], '', '35', '50'); //(clss, type, name, value, size, maxlength)
			
			pgh.appendChild(label);
			pgh.appendChild(input);
			paragraphs.push(pgh);
		}
		
		var para_num = paragraphs.length;
		
		for (var x=0; x<para_num; x++){
			form.appendChild(paragraphs[x])
		}
		
		var label = createLabel('new', 'Message');
		
		
		var textarea = document.createElement('textarea');
		textarea.setAttribute('name', 'message');
		textarea.setAttribute('rows', '5');
		textarea.setAttribute('cols', '40');
		var pgh = document.createElement('p');
		pgh.appendChild(label);
		pgh.appendChild(textarea)
		form.appendChild(pgh);
		
		var pgh = document.createElement('p');
		
		var input = createInput('', 'hidden', 'op', 'send', '', ''); //(clss, type, name, value, size, maxlength)
		pgh.appendChild(input);
		
		var input = createInput('btn', 'submit', '', 'Submit', '', ''); //(clss, type, name, value, size, maxlength)
		pgh.appendChild(input);
		
		form.appendChild(pgh);
		
		var form_holder = document.createElement('div');
		form_holder.setAttribute('id', 'form_holder');
		form_holder.appendChild(form);
		contact_div.appendChild(form_holder);
		
		//This div is extraneous
		var form_holder = document.createElement('div');
		form_holder.setAttribute('id', 'form_end');
		contact_div.appendChild(form_holder);
		
		
		//the close button
		var close = new Image();
		close.setAttribute('src', 'images/x_box.gif');
		close.setAttribute('id', 'close');
		close.setAttribute('alt', 'close');
		close.setAttribute('title', 'Close');
		close.onclick = function(){
			return hideForm();
		};
		close.onload = function(){
			var close_pic = document.createElement('img');
			contact_div.appendChild(close);
		}
		close.src = 'images/x_box.gif';
		
		content.appendChild(contact_div);
	}
	return false;
}

function hideForm(){
	var content = document.getElementById('home_content');
	var form = document.getElementById('contact_form');
	content.removeChild(form);
}

function createForm(method, action)
{
	var form = document.createElement('form');
	form.setAttribute('action', action);
	form.setAttribute('method', method);
	return form;
}

function createLabel(clss, text)
{
	var label = document.createElement('label');
	if (clss != ''){
		label.setAttribute('class', clss);
	}
	
	var text_node = document.createTextNode(text);
	label.appendChild(text_node);
	return label;
}

function createInput(clss, type, name, value, size, maxlength)
{
	var input = document.createElement('input');
	if (clss != ''){
		input.setAttribute('class', clss);
	}
	if (type != ''){
		input.setAttribute('type', type);
	}
	if (name != ''){
		input.setAttribute('name', name);
	}
	if (value != ''){
		input.setAttribute('value', value);
	}
	if (size != ''){
		input.setAttribute('size', size);
	}
	if (maxlength != ''){
		input.setAttribute('maxlength', maxlength);
	}
	return input;
}