function sortByYesNo (a) {
	var weights = {
	'Y' : 0,
	'' : 1
	}
	return weights[a]
}

// structure that describes visual aspects of the table
var TABLE_LOOK = {
	// 0 - caption,
	// 1 - header rows to be skipped at the top when applying effects,
	// 2 - body,
	// 3 - footer rows to be skipped at the bottom when applying effects,
	// 4 - paging,
	// 5 - filters
	'key' : 0,
	'structure' : [0, 1, 2, 3],
	'params' : [4, 1], // [cellpadding,cellspacing]
	'colors' : {
		'even'    : '#FFFFFF',
		'odd'     : '#F0F0F0',
		'hovered' : '',
		'marked'  : ''
	},
	'freeze' : [0, 0], // how many rows to skip [at_the_top, at_the_bottom] when applying effects
	'paging' : {
		'by' : PAGING_SIZE, // page size (0 - no paging)
		'tt' : '[ Page %ind of %pgs ' /* in this line you can use the following variables 1-bazed:
													%pgs total pages index
													%ind current page index
													%rcs total records found
												*/
	},
	'sorting' : {
		// HTML for ascending sorted state icon
		'as' : '<img src=/images/templates/arrow_asc.gif border=0 height=6 width=8 alt="sort descending">',
		// HTML for descending sorted state icon
		'ds' : '<img src=/images/templates/arrow_desc.gif border=0 height=6 width=8 alt="sort ascending">',
		'no' : ''
	},
	'filter' :{
		'type':0
	},
	'css' : {
		'main'     : 'tabTable',
		'body'     : ['tabBodyCol0','tabBodyCol1','tabBodyCol2','tabBodyCol3','tabBodyCol4','tabBodyCol4','tabBodyCol6','tabBodyCol7','tabBodyCol8','tabBodyCol9','tabBodyCol10'],
		'captCell' : 'tabCaptionCell',
		'captText' : 'tabCaptionLink',
		'head'     : 'tabHeadCell',
		'foot'     : 'tabFootCell',
		'pagnCell' : 'tabPaging',
		'pagnText' : 'tabPagingText',
		'pagnPict' : 'tabPagingArrowCell',
		'filtCell' : 'tabFilter',
		'filtPatt' : 'tabFilterPattern',
		'filtSelc' : 'tabFilterSelect'
	}
};

var ARR_STRINGS = {
	'long_days' : ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'],
	'short_days' : ['Sun', 'Mon', 'Tue', 'Wen', 'Thu', 'Fri', 'Sat'],
	'long_month' : ['January','February','March','April','May','June','July','August','September','October','November','December'],
	'short_month' : ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'],
	'bad_month' : 'Parsing error: unknown month "%month_name"',
	'not_meet' : "Notice : Input date does not meet input date format."
};