function gridvalidation(thisval, box) {
	if(box == 3) {
		var no = thisval.value.replace(/[^\d]/g,'');
		if(no/1<2) {
			thisval.value = '3';
		};
	} else if(box == 2) {
		var no = thisval.value.replace(/[^\d]/g,'');
		if(no/1<2) {
			thisval.value = '2';
		};
	}
}