These script is working as require but giving error object not found in line 5
(the first if statement)



function uploadfrm_onsubmit() {
intcount=0
while (intcount<=6)
{
if (document.getElementById("Name" + intcount).value!='') {
if (document.getElementById("Detail" + intcount).value=='')
{
alert("please Enter Description")
document.getElementById("Detail" + intcount).focus()
intcount = 6
return false
}
}
intcount=intcount+1
}
}


What is error in this js