function checkCush( ) {
var firm = document.form1.firmnessmid.selectedIndex
var middepth = document.form1.mdepth.selectedIndex 


if (document.form1.length.value.length <1 ) 
{alert ("Please put a value in the length box") 
       return false}
if (document.form1.width.value.length <1 ) 
{alert ("Please put a value in the width box") 
       return false}  
if (firm != 0 && middepth == 0)
{alert ("Please select a thickness for the Middle Layer") 
       return false}  

document.form1.submit()
return true
}


function boxChangecush(x){
if (x==3) {
document.form1.firmness.selectedIndex=1 ;
document.form1.firmness.disabled=true
}
else {
document.form1.firmness.disabled=false
}
}


function boxChangewrap(x){
if (x>0) {
document.form1.stocking.selectedIndex=1 ;
document.form1.stocking.disabled=true
}
else {
document.form1.stocking.disabled=false ;
document.form1.stocking.selectedIndex=0
}
}