function rowopen51()
 {
 document.getElementById('row51').style.display="block"
 document.getElementById('row52').style.display="none"
 document.getElementById('row53').style.display="none"
 document.getElementById('row54').style.display="none"
 document.getElementById('row55').style.display="none"
 }

function rowopen52()
 {
 document.getElementById('row51').style.display="none"
 document.getElementById('row52').style.display="block"
document.getElementById('row53').style.display="none"
 document.getElementById('row54').style.display="none"
document.getElementById('row55').style.display="none"
 }

function rowopen53()
 {
document.getElementById('row51').style.display="none"
 document.getElementById('row52').style.display="none"
 document.getElementById('row53').style.display="block"
 document.getElementById('row54').style.display="none"
 document.getElementById('row55').style.display="none"
 }

function rowopen54()
 {
 document.getElementById('row51').style.display="none"
 document.getElementById('row52').style.display="none"
 document.getElementById('row53').style.display="none"
 document.getElementById('row54').style.display="block"	
 document.getElementById('row55').style.display="none"
 }

function rowopen55()
 {
 document.getElementById('row51').style.display="none"
 document.getElementById('row52').style.display="none"
 document.getElementById('row53').style.display="none"
 document.getElementById('row54').style.display="none"	
 document.getElementById('row55').style.display="block"
 }