//
//  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
//

/*
*	mo's Dom traversal functions
*	/up until mozilla has xPath selection syntax/
*	mo@momche.net
*/

function getSubNodeByName( hNode, sNodeName )
{
	if( hNode != null )
	{
		var nNc = 0
		var nC	= 0
		var hNodeChildren = hNode.childNodes
		var hCNode = null
		while( nC < hNodeChildren.length )
		{
			hCNode = hNodeChildren.item( nC++ )
			if( ( hCNode.nodeType == 1 ) && ( hCNode.nodeName.toLowerCase() == sNodeName ) )
			{
				return hCNode
			}
			nNc++
		}
	}
	return null
}

function findAttribute( hNode, sAtt )
{
	sAtt = sAtt.toLowerCase()
	for( var nI = 0; nI < hNode.attributes.length; nI++ )
	{
		if( hNode.attributes[ nI ].nodeName.toLowerCase() == sAtt )
		{
			return hNode.attributes[ nI ].nodeValue
		}
	}
	return null
}

function getSubNodeByAttribute( hNode, sAtt, sAttValue )
{
	if( hNode != null )
	{
		var nNc = 0
		var nC	= 0
		var hNodeChildren = hNode.childNodes
		var hCNode = null
		while( nC < hNodeChildren.length )
		{
			hCNode = hNodeChildren.item( nC++ )
			if( ( hCNode.nodeType == 1 ) && ( findAttribute( hCNode, sAtt ).toLowerCase() == sAttValue ) )
			{
				return hCNode
			}
			nNc++
		}
	}
	return null
}