//
//  This script was created
//  by Mircho Mirev
//  mo /mo@momche.net/
//
//	:: feel free to use it BUT
//	:: if you want to use this code PLEASE send me a note
//	:: and please keep this disclaimer intact
//

//	This in fact is a simple dom iterator
//	requires: mobrowser.js

function cDomExtension( hParent, aSelectors, hInitFunction )
{
	this.hParent = hParent
	this.aSelectors = aSelectors
	this.hInitFunction = hInitFunction
}

cDomExtensionManager =
{
	aExtensions : new Array()
}

cDomExtensionManager.register = function( hDomExtension )
{
	cDomExtensionManager.aExtensions.push( hDomExtension )
}

cDomExtensionManager.initSelector = function( hParent, sSelector, hInitFunction )
{
	var aSelectorData
	var aAttributeData
	var sAttribute
	var sAREx

	var hSelectorRegEx = /([^\[]*)\[?(.*)\]$|([a-z0-9_\-]*)/i
	var hAttributeRegEx = /([a-z0-9_]*)([\*\^\$]?)(=?)(.*)/i

	if( hSelectorRegEx.test( sSelector ) )
	{
		aSelectorData = hSelectorRegEx.exec( sSelector )
		var sSelector = aSelectorData[ 1 ] ? aSelectorData[ 1 ] : aSelectorData[ 3 ]
		if( sSelector != '' )
		{
			hGroup  = hParent.getElementsByTagName( sSelector.toLowerCase() )
			for( nI = 0; nI < hGroup.length; nI ++ )
			{
				hGroup[ nI ].markExt = true
			}
			for( nI = 0; nI < hGroup.length; nI ++ )
			{
				if( !hGroup[ nI ].markExt )
				{
					continue
				}
				else
				{
					hGroup[ nI ].markExt = false
				}
				if( aSelectorData[ 2 ] == '' )
				{
					if( hGroup[ nI ].tagName.toLowerCase() == aSelectorData[ 1 ].toLowerCase()  )
					{
						hInitFunction( hGroup[ nI ] )
					}
				}
				else
				{
					aAttributeData = hAttributeRegEx.exec( aSelectorData[ 2 ] )
					if( aAttributeData[ 1 ] == 'class' )
					{
						sAttribute = hGroup[ nI ].className
					}
					else
					{
						sAttribute = hGroup[ nI ].getAttribute( aAttributeData[ 1 ] )
					}
					if( sAttribute != null && sAttribute.length > 0 )
					{
						if( aAttributeData[ 3 ] == '=' )
						{
							if( aAttributeData[ 2 ] == '' )
							{
								if( sAttribute == aAttributeData[4] )
								{
									hInitFunction( hGroup[ nI ] )
								}
							}
							else
							{
								switch( aAttributeData[ 2 ] )
								{
									case '^' :	if( sAttribute.indexOf( aAttributeData[ 4 ] ) == 0 )
												{
													hInitFunction( hGroup[ nI ] )
												}
												break
									case '$' :	if( sAttribute.lastIndexOf( aAttributeData[ 4 ] ) == sAttribute.length - aAttributeData[ 4 ].length )
												{
													hInitFunction( hGroup[ nI ] )
												}
												break
									case '*' :	//alert( aAttributeData[ 4 ] )
												sAREx = new RegExp( aAttributeData[ 4 ], 'g' )

												if( sAREx.test( sAttribute ) )
												{
													hInitFunction( hGroup[ nI ] )
												}
												break
								}
							}
						}
						else
						{
							hInitFunction( hGroup[ nI ] )
						}
					}
				}
			}
			//we have the new implementation - css3 style selectors, so return
			return
		}
	}
}

cDomExtensionManager.initialize = function()
{
	var hDomExtension = null
	var aSelectors

	for( var nKey in cDomExtensionManager.aExtensions )
	{
		aSelectors = cDomExtensionManager.aExtensions[ nKey ].aSelectors
		for( var nKey2 in aSelectors )
		{
			cDomExtensionManager.initSelector( cDomExtensionManager.aExtensions[ nKey ].hParent, aSelectors[ nKey2 ], cDomExtensionManager.aExtensions[ nKey ].hInitFunction )
		}
	}
}

if( window.addEventListener )
{
	window.addEventListener( 'load', cDomExtensionManager.initialize, false )
}
else if( window.attachEvent )
{
	window.attachEvent( 'onload', cDomExtensionManager.initialize )
}