function SetTabMain(strTableID, strdisplayStyle)
{
	var tblTable = document.getElementById(strTableID);

	tblTable.style.display = strdisplayStyle;

	return true;
}

function SetFont(strDivName, strDivStyle)
{
	var DivName = document.getElementById(strDivName);
	DivName.style.textDecoration = strDivStyle; 
	return true;
}

function SelectTabTeacher(longTeacher)
{
	switch (longTeacher) {
	case 1 : 
		SetTabMain('tblTeacher1', 'block');
		SetTabMain('tblTeacher2', 'none');
		SetTabMain('tblTeacher3', 'none');
		SetTabMain('tblTeacher4', 'none');
		SetFont('TeacherA1','underline');
		SetFont('TeacherA2','none');
		SetFont('TeacherA3','none');
		SetFont('TeacherA4','none');
		break;
	case 2 : 
		SetTabMain('tblTeacher1', 'none');
		SetTabMain('tblTeacher2', 'block');
		SetTabMain('tblTeacher3', 'none');
		SetTabMain('tblTeacher4', 'none');
		SetFont('TeacherA1','none');
		SetFont('TeacherA2','underline');
		SetFont('TeacherA3','none');
		SetFont('TeacherA4','none');
		break;
	case 3 : 
		SetTabMain('tblTeacher1', 'none');
		SetTabMain('tblTeacher2', 'none');
		SetTabMain('tblTeacher3', 'block');
		SetTabMain('tblTeacher4', 'none');
		SetFont('TeacherA1','none');
		SetFont('TeacherA2','none');
		SetFont('TeacherA3','underline');
		SetFont('TeacherA4','none');
		break;
	case 4 : 
		SetTabMain('tblTeacher1', 'none');
		SetTabMain('tblTeacher2', 'none');
		SetTabMain('tblTeacher3', 'none');
		SetTabMain('tblTeacher4', 'block');
		SetFont('TeacherA1','none');
		SetFont('TeacherA2','none');
		SetFont('TeacherA3','none');
		SetFont('TeacherA4','underline');
		break;
	}

	return true;
}

function SelectTabParent(longParent)
{
	switch (longParent) {
	case 1 : 
		SetTabMain('tblParent1', 'block');
		SetTabMain('tblParent2', 'none');
		SetTabMain('tblParent3', 'none');
		SetTabMain('tblParent4', 'none');
		SetTabMain('tblParent5', 'none');
		SetFont('ParentA1','underline');
		SetFont('ParentA2','none');
		SetFont('ParentA3','none');
		SetFont('ParentA4','none');
		SetFont('ParentA5','none');	
		break;
	case 2 : 
		SetTabMain('tblParent1', 'none');
		SetTabMain('tblParent2', 'block');
		SetTabMain('tblParent3', 'none');
		SetTabMain('tblParent4', 'none');
		SetTabMain('tblParent5', 'none');
		SetFont('ParentA1','none');
		SetFont('ParentA2','underline');
		SetFont('ParentA3','none');
		SetFont('ParentA4','none');
		SetFont('ParentA5','none');			
		break;
	case 3 : 
		SetTabMain('tblParent1', 'none');
		SetTabMain('tblParent2', 'none');
		SetTabMain('tblParent3', 'block');
		SetTabMain('tblParent4', 'none');
		SetTabMain('tblParent5', 'none');
		SetFont('ParentA1','none');
		SetFont('ParentA2','none');
		SetFont('ParentA3','underline');
		SetFont('ParentA4','none');
		SetFont('ParentA5','none');			
		break;
	case 4 : 
		SetTabMain('tblParent1', 'none');
		SetTabMain('tblParent2', 'none');
		SetTabMain('tblParent3', 'none');
		SetTabMain('tblParent4', 'block');
		SetTabMain('tblParent5', 'none');
		SetFont('ParentA1','none');
		SetFont('ParentA2','none');
		SetFont('ParentA3','none');
		SetFont('ParentA4','underline');
		SetFont('ParentA5','none');			
		break;
	case 5 : 
		SetTabMain('tblParent1', 'none');
		SetTabMain('tblParent2', 'none');
		SetTabMain('tblParent3', 'none');
		SetTabMain('tblParent4', 'none');
		SetTabMain('tblParent5', 'block');
		SetFont('ParentA1','none');
		SetFont('ParentA2','none');
		SetFont('ParentA3','none');
		SetFont('ParentA4','none');
		SetFont('ParentA5','underline');			
		break;
	}

	return true;
}