function changePage(o,i){
	switch(i){
	case 0 :
		o.form.PageNo.value = o.form.gotoPage.value;
		o.form.submit();
		break;
	case 1 :
		o.form.PageNo.value = 1;
		o.form.submit();
		break;
	case 2 :
		o.form.PageNo.value = parseInt(o.form.PageNo.value)-1;
		o.form.submit();
		break;
	case 3 :
		o.form.PageNo.value = parseInt(o.form.PageNo.value)+1;
		o.form.submit();
		break;
	case 4 :
		o.form.PageNo.value = 9999;
		o.form.submit();
		break;
	}
}