function facesCheckAnswers( frm ){
	var iCorrect = 0;
	var iValueExists = 0;
	
	for( i = 1; i < 6 ; ++i ){
		if( eval('frm.txtFaces'+i+'.value' ) != "" ){
			iValueExists++;
		}
		if( eval('frm.txtVertices'+i+'.value' ) != "" ){
			iValueExists++;
		}
	}
	
	if( iValueExists != 10 ){
		ngaAlert(1, 440, 100 );
		return false;
	}
	
	if( frm.txtFaces1.value == 6 && frm.txtVertices1.value == 7 ){
		iCorrect += 1;
	}else{
		frm.txtFaces1.value = ""; frm.txtVertices1.value = "";
	}
	
	if( frm.txtFaces2.value == 9 && frm.txtVertices2.value == 9 ){
		iCorrect += 1;
	}else{
		frm.txtFaces2.value = ""; frm.txtVertices2.value = "";
	}
	
	if( frm.txtFaces3.value == 5 && frm.txtVertices3.value == 8 ){
		iCorrect += 1;
	}else{
		frm.txtFaces3.value = ""; frm.txtVertices3.value = "";
	}
	
	if( frm.txtFaces4.value == 6 && frm.txtVertices4.value == 8 ){
		iCorrect += 1;
	}else{
		frm.txtFaces4.value = ""; frm.txtVertices4.value = "";
	}
	
	if( frm.txtFaces5.value == 5 && frm.txtVertices5.value == 8 ){
		iCorrect += 1;
	}else{
		frm.txtFaces5.value = ""; frm.txtVertices5.value = "";
	}
	
	if( iCorrect == 5 ){
		ngaAlert(2, 440, 100  );
	}else{
		ngaAlert(3, 440, 100  );		
	}
}

function edgesCheckAnswers( frm ){
	var iCorrect = 0;
	var iValueExists = 0;
	
	for( i = 1; i < 6 ; ++i ){
		if( eval('frm.txtEdges'+i+'.value' ) != "" ){
			iValueExists++;
		}
	}
	if( iValueExists != 5 ){
		ngaAlert(1, 440, 100 );
		return false;
	}
	
	
	if( frm.txtEdges1.value == 11  ){
		iCorrect += 1;
	}else{
		frm.txtEdges1.value = "";
	}
	
	if( frm.txtEdges2.value == 16  ){
		iCorrect += 1;
	}else{
		frm.txtEdges2.value = "";
	}
	
	if( frm.txtEdges3.value == 11  ){
		iCorrect += 1;
	}else{
		frm.txtEdges3.value = "";
	}
	
	if( frm.txtEdges4.value == 12 ){
		iCorrect += 1;
	}else{
		frm.txtEdges4.value = "";
	}
	
	if( frm.txtEdges5.value == 11 ){
		iCorrect += 1;
	}else{
		frm.txtEdges5.value = "";
	}
	if( iCorrect == 5 ){
		ngaAlert(2, 440, 100  );
	}else{
		ngaAlert(3, 440, 100  );		
	}
}