Prototype.Browser.IE6 = Prototype.Browser.IE && parseInt( navigator.userAgent.substring( navigator.userAgent.indexOf( "MSIE" ) + 5 ) ) == 6;
Prototype.Browser.IE7 = Prototype.Browser.IE && parseInt( navigator.userAgent.substring( navigator.userAgent.indexOf( "MSIE" ) + 5 ) ) == 7;
Prototype.Browser.IE8 = Prototype.Browser.IE && !Prototype.Browser.IE6 && !Prototype.Browser.IE7;

function checkSearchInput( inputfield )
{
	searchfield = $( inputfield );

	if ( searchfield.value != '' )
	{
		return true;
	}
	else
	{
		searchfield.className = 'error';
		return false;
	}
}

// arrangeHalfColouredBoxes bringt nebeneinanderstehende boxen mit css
// "csc-frame-half-coloured" und "csc-frame-half-coloured half-right" auf die
// gleiche höhe
function arrangeHalfColouredBoxes()
{
	var myBlueFrames = $$( ".csc-frame-half, .csc-frame-half-coloured" );
	myBlueFrames.each( function( myBlueFrame, counter )
			{
				var myBlueFrameHeight = myBlueFrame.getHeight();
				var myOtherBlueFrame, myOtherBlueFrameHeight;
				if ( myBlueFrame.hasClassName( "half-right" ) )
				{
					if ( $( myBlueFrames[counter - 1] ) )
					{
						myOtherBlueFrame = myBlueFrames[counter - 1];
						myOtherBlueFrameHeight = myOtherBlueFrame.getHeight();
					}
				}
				else
				{
					if ( $( myBlueFrames[counter + 1] ) )
					{
						myOtherBlueFrame = myBlueFrames[counter + 1];
						myOtherBlueFrameHeight = myOtherBlueFrame.getHeight();
					}
				}
				maxHeight = ( myBlueFrameHeight > myOtherBlueFrameHeight ) ? myBlueFrameHeight : myOtherBlueFrameHeight;
				if ( myBlueFrame ) myBlueFrame.setStyle( {
							height	: maxHeight + 'px'
						} );
				if ( myOtherBlueFrame ) myOtherBlueFrame.setStyle( {
							height	: maxHeight + 'px'
						} );
			} );
}

function __resizeImagesInForum()
{
	var images = $$( 'div.tx-mmforum-pi1 img' );
	var maxW = 600;

	images.each( function( pic )
			{
				w = pic.width;
				h = pic.height;
				if ( w > maxW )
				{
					f = 1 - ( ( w - maxW ) / w );
					pic.width = w * f;
					pic.height = h * f;
				}
			} );
}

function resizeImagesInForum()
{
	var container = $( "main-content_wide" );
	if ( !container ) return;
	var maxW = 600;
	var pix = container.getElementsByTagName( 'img' );
	for ( i = 0; i < pix.length; i++ )
	{
		w = pix[i].width;
		h = pix[i].height;
		if ( w > maxW )
		{
			f = 1 - ( ( w - maxW ) / w );
			pix[i].width = w * f;
			pix[i].height = h * f;
		}
	}
}

function rawurldecode( str )
{
	// Decodes URL-encodes string
	var hash_map = {}, ret = str.toString(), unicodeStr = '', hexEscStr = '';

	var replacer = function( search, replace, str )
	{
		var tmp_arr = [];
		tmp_arr = str.split( search );
		return tmp_arr.join( replace );
	};

	// The hash_map is identical to the one in urlencode.
	hash_map["'"] = '%27';
	hash_map['('] = '%28';
	hash_map[')'] = '%29';
	hash_map['*'] = '%2A';
	hash_map['~'] = '%7E';
	hash_map['!'] = '%21';

	for ( unicodeStr in hash_map )
	{
		hexEscStr = hash_map[unicodeStr]; // Switch order when decoding
		ret = replacer( hexEscStr, unicodeStr, ret ); // Custom replace. No
														// regexing
	}

	// End with decodeURIComponent, which most resembles PHP's encoding
	// functions
	ret = ret.replace( /%([a-fA-F][0-9a-fA-F])/g, function( all, hex )
			{
				return String.fromCharCode( '0x' + hex );
			} ); // These Latin-B have the same values in Unicode, so we can
					// convert them like this
	ret = decodeURIComponent( ret );

	return ret;
}

function startsWith( string, pattern )
{
	return string.indexOf( pattern ) === 0;
}

function endsWith( string, pattern )
{
	var d = string.length - pattern.length;
	return d >= 0 && string.lastIndexOf( pattern ) === d;
}

function trackFlash( type, url )
{
	urchinTracker( type );
	if ( url )
	{
		if ( !startsWith( url, 'http' ) ) url = 'http://' + document.location.host + '/' + url;
		document.location.href = url;
	}
}

function trackDownload( type, url )
{
	switch ( type )
	{
		case 'trackDownloads' :
			// google
			urchinTracker( url );
			// wiredminds
			// if (endsWith(url, '/'))
			// url = url.substr(0, url.length-1);
			// wm_page_name = url;
			// wm_group_name = 'Documents';
			// wm_milestone = 'Document_Download';
			// wiredminds.count();
			break;
		case '.external' :
			// google
			urchinTracker( '/' + type + url );
			// wiredminds
			// wiredminds.trackEvent('External_Links' + url);
			break;
		default :
			return
	}
}

function checkApplicationtype()
{
	if ( $F( "applicationtype" ) == "Associate" )
	{
		$( "associate_container" ).show();
	}
	else
	{
		$( "associate_container" ).hide();
	}
}

function randomString()
{
	var chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXTZabcdefghiklmnopqrstuvwxyz";
	var string_length = 8;
	var randomstring = '';
	for ( var i = 0; i < string_length; i++ )
	{
		var rnum = Math.floor( Math.random() * chars.length );
		randomstring += chars.substring( rnum, rnum + 1 );
	}
	return randomstring;
}

// if spam doesn't stop, try encrpytion:
// http://www.vincentcheung.ca/jsencryption/instructions.html
function avoidSpam()
{
	var my_forms = $$( ".contactform" );
	my_forms.each( function( my_form )
			{
				var the_string = 'HE5hDGuK' + randomString();
				// var the_string = '';
				var hidden = document.createElement( 'input' );
				hidden.setAttribute( 'type', 'hidden' );
				hidden.setAttribute( 'name', 'tx_pilmailform_pi1[text][spam]' );
				hidden.setAttribute( 'value', the_string );
				my_form.appendChild( hidden );
			} );
}

function menus()
{
	$$( '.hover-menu' ).each( function( m )
			{
				if ( !m.hasClassName( 'hovered' ) )
				{
					menu( m, m.hasClassName( 'no-delay' ) );
					m.addClassName( 'hovered' );
				}
			} );
}

function menu( container, no_delay )
{
	var container = $( container );
	var timeout = no_delay ? 0 : 400;
	if ( !container ) return;
	var currentMenu = null;
	var timer = null;
	var my_elements = container.select( 'li' );
	my_elements.each( function( li )
			{
				Event.observe( li, 'mouseover', function()
						{
							if ( currentMenu )
							{
								if ( timer ) window.clearTimeout( timer );
								currentMenu.removeClassName( 'hover' );
							}
							var that = currentMenu = this;
							li.addClassName( 'hover' );
						} );
				Event.observe( li, "mouseout", function()
						{
							var that = currentMenu = this;
							timer = window.setTimeout( function()
									{
										if ( currentMenu == that )
										{
											that.removeClassName( "hover" );
											currentMenu = null;
										}
									}, timeout );
							return true;
						} );
			} );
}

function styleMyForms()
{
	jsStyledForm = new JsStyledForm( 'my_form0' );
	jsStyledForm = new JsStyledForm( 'my_form1' );
	jsStyledForm = new JsStyledForm( 'Kontaktformular' );
	/*
	 * old stuff jsStyledForm = new JsStyledForm('hersteller'); jsStyledForm =
	 * new JsStyledForm('anwendungsgebiet'); jsStyledForm = new
	 * JsStyledForm('frequency'); jsStyledForm = new
	 * JsStyledForm('produktkategorien'); jsStyledForm = new
	 * JsStyledForm('perpage_1'); jsStyledForm = new JsStyledForm('perpage_2');
	 */
	jsStyledForm = new JsStyledForm( 'sortby' );
	jsStyledForm = new JsStyledForm( 'Applicationform' );

	// js browsercheck
	/*
	 * var checkform = true; if (Prototype.Browser.IE7 || Prototype.Browser.IE6) {
	 * var checkform = false; } if (checkform){ }
	 */
	jsStyledForm = new JsStyledForm( 'productlistform' );
}

function centerLogo()
{
	var sView = $( 'pi6-singleView' );
	if ( sView )
	{
		if ( Prototype.Browser.IE7 || Prototype.Browser.IE6 )
		{
			var logoWrap = $( 'pi6-logo' );
			var logoWrapHeight = logoWrap.getHeight();
			var logo = $( 'pi6-logo' ).down( 1 );
			var logoHeight = logo.getHeight();
			if ( logoWrapHeight > logoHeight )
			{
				var margin = ( logoWrapHeight - logoHeight ) / 2;
				logo.setStyle( {
							marginTop	: margin - 5 + 'px'
						} );
			}
			if ( logoWrapHeight <= logoHeight )
			{
				logoWrap.setStyle( {
							height	: logoHeight + 'px'
						} );
			}
		}
	}
}

/*
 * produktlistenfilter
 */
function activateProductlistform()
{
	var productlistform = $( 'productlistform' );
	if ( !productlistform ) return;
	// go ahead if form is present

	// observer zum highlighten des submit buttons und reset buttons
	var inputs = productlistform.select( 'input:not(.hidden)' );
	var submit_button = productlistform.down( 'button.refresh' );
	var reset_button = productlistform.down( 'button.reset' );
	var serialized = Form.serializeElements( inputs );
	
	var msg = $('txt_refresh');
	var hits = $('txt_results');

	inputs.each( function( i )
			{
				new Form.Element.Observer( i, 0.1, function()
						{
							if ( serialized != Form.serializeElements( inputs ) )
							{
								submit_button.addClassName( 'activated' );
								reset_button.addClassName( 'activated' );
								
								hits.hide();
								msg.show();
							}
							else
							{
								submit_button.removeClassName( 'activated' );
								reset_button.removeClassName( 'activated' );
								
								hits.show();
								msg.hide();
							}
						} );
				i.addClassName('test');
				if ( $F(i) )
				{
					reset_button.addClassName( 'activated' );
				}
			} );

	var fieldsets = productlistform.select( '.filter fieldset' );
	fieldsets.each( function( fieldset )
	{
		var checkboxes = fieldset.select( 'input[type=checkbox]' )
		/*
		 * function zum checken und unchecken
		 * 
		 */
		var checkUncheck = function( checkbox )
		{
			rel = checkbox.getAttribute( 'rel' );
			if ( rel )
			{
				var all_checked = true;
				var none_checked = true;
				var rel = rel;
				var parent_checkbox = $( rel );
				checkboxes.each( function( other_checkbox )
						{
							if ( other_checkbox.getAttribute( 'rel' ) == rel )
							{
								if ( all_checked ) all_checked = other_checkbox.checked ? true : false;
								if ( none_checked ) none_checked = other_checkbox.checked ? false : true;
							}
						} );
				// parent checkbox hat id wie gecheckte checkbox den wert von
				// rel
				parent_checkbox.removeClassName( 'half' );
				parent_checkbox.checked = true;
				if ( none_checked )
				{
					parent_checkbox.checked = false;
				}
				else if ( !all_checked )
				{
					parent_checkbox.addClassName( 'half' );
					parent_checkbox.checked = false;
				}
				halfOrNotHalfTheLabel( parent_checkbox );
			}
			else
			{
				checkboxes.each( function( child_checkbox )
						{
							if ( child_checkbox.hasAttribute( 'rel' ) && child_checkbox.getAttribute( 'rel' ) == checkbox.id )
							{
								child_checkbox.checked = checkbox.checked ? 'checked' : false;
							}
						} );
			}
		}
		var halfOrNotHalfTheLabel = function( checkbox, label )
		{
			var label = label || checkbox.next( 'label' );
			label.removeClassName( 'half' );
			if ( checkbox.hasClassName( 'half' ) ) label.addClassName( 'half' );
		}
		/*
		 * click handler für alle checkboxen respektive labels innerhalb des
		 * fieldsets observer für labels von styledform
		 */
		checkboxes.each( function( checkbox )
				{
					var label = checkbox.next( 'label' );
					if ( checkbox.getAttribute( 'rel' ) ) checkUncheck( checkbox );
					new Form.Element.Observer( checkbox, 0.1, function()
							{
								if ( label && ( label.hasClassName( 'checkbox-checked' ) || label.hasClassName( 'checkbox-unchecked' ) ) )
								{

									label.className = checkbox.checked ? 'checkbox-checked' : 'checkbox-unchecked';
									halfOrNotHalfTheLabel( checkbox, label );
								}
							} );
					Event.observe( label, 'mouseup', function()
							{
								window.setTimeout( function()
										{
											checkUncheck( checkbox );
										}, 10 );
							} );
				} );
		/*
		 * function der auschliessen buttons
		 */
		var excludes = fieldset.select( 'span.exclude' );
		excludes.each( function( exclude )
				{
					new Event.observe( exclude, 'click', function()
							{
								checkboxes.each( function( checkbox )
										{
											if ( exclude.getAttribute( 'rel' ) != checkbox.id && !( checkbox.hasAttribute( 'rel' ) && checkbox.getAttribute( 'rel' ) == exclude.getAttribute( 'rel' ) ) )
											{
												checkbox.checked = false;
											}
											else
											{
												checkbox.checked = true;
											}
										}
								);
							}
					);
				}
		);
	}
	);

	var more_or_less_button = productlistform.down( 'button.moreorless' );
	more_or_less_button.observe( 'click', function( ev )
			{
				ev.stop();
				productlistform.toggleClassName( 'more' );
				$( 'advanced' ).value = productlistform.hasClassName( 'more' ) ? 'true' : '';
			} );

	reset_button.observe( 'click', function( ev )
			{
				ev.stop();
				if ( reset_button.hasClassName( 'activated' ) )
				{
					document.location.href = reset_button.getAttribute( 'href' );
				}
			} );
			
	var change_filter_button = productlistform.down( 'button.change' );
	var filter_form = productlistform.down( 'div.filter-form' );
	var filter_overview = productlistform.down( 'div.filter-overview' );
	change_filter_button.observe( 'click', function( ev )
			{
				ev.stop();
				filter_overview.hide();
				change_filter_button.hide();
				filter_form.show();
				more_or_less_button.show();
				submit_button.show();
				
			} );

}

function init()
{
	avoidSpam();
	activateProductlistform();
	menus();
	styleMyForms();
	resizeImagesInForum();
	arrangeHalfColouredBoxes();
	centerLogo();
}

document.observe( 'dom:loaded', init );