function opCl(divId) {
	
	document.getElementById(divId).style.display = (document.getElementById(divId).style.display=="block") ? "none" : "block"

	}
	
function changeLng( l )
{
	var hrefStr = new String( window.location.href );

	var qIdx = hrefStr.indexOf( '?' );

	if( qIdx == -1 )
	{
		hrefStr = hrefStr + '?lng=' + l;
	} else
	{
		var justURL = new String( hrefStr.substr( 0, qIdx ) );
		var nIdx = qIdx + 1;
		var queryStrig = new String( hrefStr.substr( nIdx, hrefStr.length - nIdx ) ); 

		var argsArr = queryStrig.split( '&' );
		var i = 0;
		var foundLng = 0;

		for( i = 0; i < argsArr.length; i ++ )
		{
			var pArr = argsArr[ i ].split( '=' );
			var newArgs = new String( "" );

			if( pArr[ 0 ] == 'lng' )
			{
				foundLng = 1;
				pArr[ 1 ] = l;
			}
			newArgs = pArr.join( '=' );
			argsArr[ i ] = newArgs;
		}
		var newQueryString = argsArr.join( '&' );
		if( !foundLng )
		{
			newQueryString = newQueryString + '&lng=' + l;
		}
		hrefStr = justURL + '?' + newQueryString;
	}
	document.cookie = "lng=" + l + "; expires=Tue, 01-Jan-2030 00:00:01 GM; path=/; domain=.drweb.com";
	window.location.href = hrefStr;

	return false;
}

function link_view(id) {

	var constId = "page";
	var i = 1;
	var stat = true;
	do
	{
		var newId = constId + i;
		if( document.getElementById( newId ) )
			{
				document.getElementById( newId ).style.display  = (i == id) ? 'block' : 'none';
				i++;
			} else {
				stat = false;
			}
	}
	while (stat);
}