//roll over on navbar
//iObj = button 
//iAction = mouse over/out/click
function ChangePic(iObj,iAction)
{

//get last button clicked
var lastObj = mouseout.value


	switch (iObj)
	{
		case "btnHome" :
			
			switch (iAction)
			{
				case "over" :
					if (mouseout.value !== iObj)
						{
							btnHome.src="images/bt_home_over.gif";
						}
					break;
				
				case "out" :
					if (mouseout.value !== iObj)
						{
							btnHome.src="images/bt_home.gif";
						}
					break;
				
				case "hit" :
					btnHome.src="images/bt_home_hit.gif";
					mouseout.value = "btnHome";
					ChangePic(lastObj,"out")		
					break;
			}
			break;
		
		
		case "btnVMaestro" :
			
			switch (iAction)
			{
				case "over" :
					if (mouseout.value !== iObj)
						{
							btnVMaestro.src="images/bt_vmaestro_over.gif";
						}
					break;
				
				case "out" :
					if (mouseout.value !== iObj)
						{
							btnVMaestro.src="images/bt_vmaestro.gif";
						}
					break;
				
				case "hit" :
					btnVMaestro.src="images/bt_vmaestro_hit.gif";
					mouseout.value = "btnVMaestro";
					ChangePic(lastObj,"out")		
					break;
			}
			break;
			
		
		case "btnOfficers" :
			
			switch (iAction)
			{
				case "over" :
					if (mouseout.value !== iObj)
						{
							btnOfficers.src="images/bt_oficiales_over.gif";
						}
					break;
				
				case "out" :
					if (mouseout.value !== iObj)
						{
							btnOfficers.src="images/bt_oficiales.gif";
						}
					break;
				
				case "hit" :
					btnOfficers.src="images/bt_oficiales_hit.gif";
					mouseout.value = "btnOfficers";
					ChangePic(lastObj,"out")		
					break;
			}
			break;
			
			
		case "btnCalendar" :
			
			switch (iAction)
			{
				case "over" :
					if (mouseout.value !== iObj)
						{
							btnCalendar.src="images/bt_calendario_over.gif";
						}
					break;
				
				case "out" :
					if (mouseout.value !== iObj)
						{
							btnCalendar.src="images/bt_calendario.gif";
						}
					break;
				
				case "hit" :
					btnCalendar.src="images/bt_calendario_hit.gif";
					mouseout.value = "btnCalendar";
					ChangePic(lastObj,"out")		
					break;
			}
			break;
			
			
		case "btnContacts" :
			
			switch (iAction)
			{
				case "over" :
					if (mouseout.value !== iObj)
						{
							btnContacts.src="images/bt_contactos_over.gif";
						}
					break;
				
				case "out" :
					if (mouseout.value !== iObj)
						{
							btnContacts.src="images/bt_contactos.gif";
						}
					break;
				
				case "hit" :
					btnContacts.src="images/bt_contactos_hit.gif";
					mouseout.value = "btnContacts";
					ChangePic(lastObj,"out")		
					break;
			}
			break;
			
			
		case "btnClarin" :
			
			switch (iAction)
			{
				case "over" :
					if (mouseout.value !== iObj)
						{
							btnClarin.src="images/bt_elclarin_over.gif";
						}
					break;
				
				case "out" :
					if (mouseout.value !== iObj)
						{
							btnClarin.src="images/bt_elclarin.gif";
						}
					break;
				
				case "hit" :
					btnClarin.src="images/bt_elclarin_hit.gif";
					mouseout.value = "btnClarin";
					ChangePic(lastObj,"out")		
					break;
			}
			break;
			
			
		case "btnHistory" :
			
			switch (iAction)
			{
				case "over" :
					if (mouseout.value !== iObj)
						{
							btnHistory.src="images/bt_historia_over.gif";
						}
					break;
				
				case "out" :
					if (mouseout.value !== iObj)
						{
							btnHistory.src="images/bt_historia.gif";
						}
					break;
				
				case "hit" :
					btnHistory.src="images/bt_historia_hit.gif";
					mouseout.value = "btnHistory";
					ChangePic(lastObj,"out")		
					break;
			}
			break;
			
			
		case "btnPhotos" :
			
			switch (iAction)
			{
				case "over" :
					if (mouseout.value !== iObj)
						{
							btnPhotos.src="images/bt_fotos_over.gif";
						}
					break;
				
				case "out" :
					if (mouseout.value !== iObj)
						{
							btnPhotos.src="images/bt_fotos.gif";
						}
					break;
				
				case "hit" :
					btnPhotos.src="images/bt_fotos_hit.gif";
					mouseout.value = "btnPhotos";
					ChangePic(lastObj,"out")		
					break;
			}
			break;
			
			
			
		case "btnLinks" :
			
			switch (iAction)
			{
				case "over" :
					if (mouseout.value !== iObj)
						{
							btnLinks.src="images/bt_links_over.gif";
						}
					break;
				
				case "out" :
					if (mouseout.value !== iObj)
						{
							btnLinks.src="images/bt_links.gif";
						}
					break;
				
				case "hit" :
					btnLinks.src="images/bt_links_hit.gif";
					mouseout.value = "btnLinks";
					ChangePic(lastObj,"out")		
					break;
			}
			break;
	}
	
}