function showObj(obj)
 {	
   var MenuName='SubMenu_'+obj;
   var DivName='div_'+obj;
    for(i=1;i<=5;i++)
	{    
	 	document.getElementById('div_'+i).style.display='none';
		document.getElementById('SubMenu_'+i).className='submenu2';
	}
	document.getElementById(DivName).style.display='block';
	document.getElementById(MenuName).className='submenu1';
 }
 
 function showObj2(obj)
 {	
   var MenuName='SubMenu2_'+obj;
   var DivName='div2_'+obj;
    for(i=1;i<=3;i++)
	{    
	 	document.getElementById('div2_'+i).style.display='none';
		document.getElementById('SubMenu2_'+i).className='submenu3';
	}
	document.getElementById(DivName).style.display='block';
	document.getElementById(MenuName).className='submenu4';
 }
 
 function showObj3(obj)
 {	
   var MenuName='SubMenu3_'+obj;
   var DivName='div3_'+obj;
    for(i=1;i<=3;i++)
	{    
	 	document.getElementById('div3_'+i).style.display='none';
		document.getElementById('SubMenu3_'+i).className='submenu3';
	}
	document.getElementById(DivName).style.display='block';
	document.getElementById(MenuName).className='submenu4';
 }