function rollpicture(x) {
	switch(x)
	{
	case 1:
	  document.images.menu_welcome.src='../images/navigation/1_Welcome_on.gif'
	  break    
	case 2:
	  document.images.menu_company.src='../images/navigation/1_Company_on.gif'
	  break
	case 3:
	  document.images.menu_solutions.src='../images/navigation/1_Solutions_on.gif'
	  break
	case 4:
	  document.images.menu_customers.src='../images/navigation/1_Customers_on.gif'
	  break
	case 5:
	  document.images.menu_newsevents.src='../images/navigation/1_NewsEvents_on.gif'
	  break
	case 6:
	  document.images.menu_login.src='../images/navigation/1_LogIn_on.gif'
	  break
	case 7:
	  document.images.menu_contactus.src='../images/navigation/1_ContactUs_on.gif'
	  break
	} 
}


function rollpictureoff(x) {
	switch(x)
	{
	case 1:
	  document.images.menu_welcome.src='../images/navigation/1_Welcome.gif'
	  break    
	case 2:
	  document.images.menu_company.src='../images/navigation/1_Company.gif'
	  break
	case 3:
	  document.images.menu_solutions.src='../images/navigation/1_Solutions.gif'
	  break
	case 4:
	  document.images.menu_customers.src='../images/navigation/1_Customers.gif'
	  break
	case 5:
	  document.images.menu_newsevents.src='../images/navigation/1_NewsEvents.gif'
	  break
	case 6:
	  document.images.menu_login.src='../images/navigation/1_LogIn.gif'
	  break
	case 7:
	  document.images.menu_contactus.src='../images/navigation/1_ContactUs.gif'
	  break
	} 
}