var xmlUtil = {
	getChildByNodeName : function( searchNode, nodeName )
	{
		var len = searchNode.childNodes.length;

		for( var i=0; i<len; i++ )
		{
			if( searchNode.childNodes[ i ].nodeName == nodeName )
				return searchNode.childNodes[ i ];
		}
		
		return false;
	},
	getChildByNodeAndAttribute : function( searchNode, nodeName, attrName, attrValue )
	{
		var len = searchNode.childNodes.length;
		
		for( var i=0; i<len; i++ )
		{
			if( searchNode.childNodes[ i ].nodeName == nodeName && 
				searchNode.childNodes[ i ].getAttribute( attrName ) == attrValue )
				return searchNode.childNodes[ i ];
		}
		
		return false;
	}
}