/*function toggleVisibility (panel){
	if (window.document.getElementById(panel).style.display == "none"){
		window.document.getElementById(panel).style.display = "block";
	}
	else {
		window.document.getElementById(panel).style.display = "none";
	}
}*/

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.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"
		},
		{	// 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 isInt (num) {
	var chk = num % 1;

	if (chk == 0) {
		return true;
	}
	else {
		return false;
	}
}

function isEmail (email){
	var reg = /^(([^<>()[\]\\.,;:\s@\"]+(\.[^<>()[\]\\.,;:\s@\"]+)*)|(\".+\"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
	return reg.test(email);
}

function checkJS () {
	document.cookie = "nojs = 0;";
}

function headerRollin () {
	this.src = this.src.replace(/\.png/, '_over.png');
}

function headerRollout () {
	this.src = this.src.replace(/\_over/, '');
}

function viewComic (url, comicID) {
	if (comicID == -1) return false;
	if (url != '' && comicID != '') {
		window.open (url+'comics/view/'+comicID+'?comiconly=1', 'comicview', 'resizable=1, scrollbars=1, width=675, height=400');
	}
}

function printComic (url, comicID) {
	if (comicID == -1) return false;
	if (url != '' && comicID != '') {
		window.open (url+'comics/view/'+comicID+'?comiconly=1&print=1', 'comicview', 'resizable=1, scrollbars=1, width=675, height=400');
	}
}

function headerInit() {
	if(!document.getElementById('headerbuttons')) return false;
	images = document.getElementById('headerbuttons').getElementsByTagName('img');
	for(var i = 0; i < images.length; i++) {
		images[i].onmouseover = headerRollin;
		images[i].onmouseout = headerRollout;
	}
	images = document.getElementById('logo').getElementsByTagName('img');
	images[0].onmouseover = headerRollin;
	images[0].onmouseout = headerRollout;
}

var allChecked = 0;

function checkAll (field) {
   if (allChecked == 0) {
      if (field.length == undefined) field.checked = true;
      else
         for (i = 0; i < field.length; i++)
	         field[i].checked = true;
      allChecked = 1;
   }
   else {
      if (field.length == undefined) field.checked = false;
      else
         for (i = 0; i < field.length; i++)
	         field[i].checked = false;
      allChecked = 0;
   }
}

window.onload = headerInit;

tempvar=new Image();
tempvar.src="/img/logo_over.png";
tempvar=new Image();
tempvar.src="/img/headermail_over.png";
tempvar=new Image();
tempvar.src="/img/headercreate_over.png";
tempvar=new Image();
tempvar.src="/img/headerbook_over.png";