(function($){

window.setTextSize = function(a, b){
	var elm = $('#'+b);
	if(!elm.length){
		return
	}
	var _fs = parseInt((elm.css('font-size') || '12px'), 10);
	_fs*= a;
	if(_fs < 5){_fs = 5}
	elm.css('font-size', _fs+'px');
};

window.goPage3 = function(a, b, c){
	var tip = $('#'+c),
		btn = $(a);
	var curIndex = tip.html().match(/(\d+) +?\//)[1];
	curIndex = (parseInt(curIndex, 10) || 1) - 1;
	curIndex += b;
	if(!btn[0].tb){
		btn[0].tb = btn.parents('table')[0].tBodies[0];
	}
	var trs	= btn[0].tb.rows;
	curIndex = Math.min(Math.max(curIndex, 0), trs.length - 1);
	tip.html((curIndex + 1) + ' / ' + trs.length);
	for(var i = 0; i < trs.length; i++){
		if(i == curIndex){
			trs[i].style.display = '';
		}else{
			trs[i].style.display = 'none';
		}
	}
};


})(jQuery);