function showSubMenu(sDiv) { 

myDiv = eval("document.getElementById('"+sDiv+"u').style"); 

if(myDiv.display == 'inline') { 

myDiv.display = 'none'; 

} else { 

myDiv.display = 'inline'; 
} 
} 


function showSubMenu1(sDiv) { 

myDiv1= eval("document.getElementById('k1u').style"); 
myDiv2 = eval("document.getElementById('k2u').style"); 

if(myDiv2.display == 'none') { 

myDiv1.display = 'none'; 
myDiv2.display = 'inline'; 
}

if(myDiv1.display == 'none') { 

myDiv2.display = 'none'; 
myDiv1.display = 'inline'; 
} 
}