$(function(){
	initPngTransparente();
	window.setInterval(equalize, '1000');
});

function equalize() {
//	$('#jsLateral').css('height', $('#jsConteudo').height() - 179);
	$('#jsLateral').css('height', $('#jsConteudo').height()-179);
}

function initPngTransparente() {
	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: "Chrome",
			identity: "Chrome"
		},
		{
			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: "IE",
			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();
	var navegador = BrowserDetect.browser+BrowserDetect.version;

	if (navegador == 'IE6') {

		var imgTmpPng = '';

		$(document.getElementsByTagName('*')).each(function() {
			try {
				imgTmpPng = $(this).get(0).tagName;

				if ((imgTmpPng != 'HEAD') && (imgTmpPng != 'HTML') && (imgTmpPng != 'SCRIPT') && (imgTmpPng != 'META')) {
					imgTmpPng = $(this).css('background-image');

					if (imgTmpPng != 'none') {
						if(imgTmpPng.toLowerCase().search(".png") > 1){
							$(this).addClass("png_bg");
						}
					} else {
						try {
							imgTmpPng = $(this).get(0).tagName;

							switch(imgTmpPng) {
								case 'IMG':
									imgTmpPng = $(this).attr('src');

									if(imgTmpPng.toLowerCase().search(".png") > 1){
										$(this).addClass("png_bg");
									}

									break;
								case 'INPUT':
									imgTmpPng = $(this).attr('type');

									if(imgTmpPng == 'IMAGE'){
										if(imgTmpPng.toLowerCase().search(".png") > 1){
											$(this).addClass("png_bg");
										}
									}
									break;
								default:
									imgTmpPng = '';
							}
						} catch (exception) {
						}
					}
				}

			} catch (exception) {
			}
		});
	}
	return true;
}