function ShowMenuItem(item){
if (item==1){
menuitem1.style.display=""
menuitem1.style.visibility="visible"}
if (item==2){
menuitem2.style.display=""
menuitem2.style.visibility="visible"}
if (item==3){
menuitem3.style.display=""
menuitem3.style.visibility="visible"}
if (item==4){
menuitem4.style.display=""
menuitem4.style.visibility="visible"} 
if (item==5){
menuitem5.style.display=""
menuitem5.style.visibility="visible"}
if (item==6){
menuitem6.style.display=""
menuitem6.style.visibility="visible"}
if (item==7){
menuitem7.style.display=""
menuitem7.style.visibility="visible"}
if (item==8){
menuitem8.style.display=""
menuitem8.style.visibility="visible"}
if (item==9){
menuitem9.style.display=""
menuitem9.style.visibility="visible"}
if (item==10){
menuitem10.style.display=""
menuitem10.style.visibility="visible"}

}
function HideMenuItem(item){
if (item==1){
menuitem1.style.display="none"
menuitem1.style.visibility="hidden"}
if (item==2){
menuitem2.style.display="none"
menuitem2.style.visibility="hidden"}
if (item==3){
menuitem3.style.display="none"
menuitem3.style.visibility="hidden"}
if (item==4){
menuitem4.style.display="none"
menuitem4.style.visibility="hidden"}
if (item==5){
menuitem5.style.display="none"
menuitem5.style.visibility="hidden"}
if (item==6){
menuitem6.style.display="none"
menuitem6.style.visibility="hidden"}
if (item==7){
menuitem7.style.display="none"
menuitem7.style.visibility="hidden"}
if (item==8){
menuitem8.style.display="none"
menuitem8.style.visibility="hidden"}
if (item==9){
menuitem9.style.display="none"
menuitem9.style.visibility="hidden"}
if (item==10){
menuitem10.style.display="none"
menuitem10.style.visibility="hidden"}
}