function attachment(box)
{
str="fileupload.php?box="  + box;

window.open(str,"Attachment","top=5,left=30,toolbars=no,maximize=yes,resize=yes,width=550,height=450,location=no,directories=no,scrollbars=yes");
}

function removeattachment(box)
{
window.document.form1.list1.value=""
}
function Validate(form) {
         if(form.list1.value == "") {
            alert('Please choose the image.');
            return false;
			}
			return true;
			}

function checkFile()
{
if (form1.userfile.value == "")
{
alert(" Please choose a file to upload");
return (false);
}
if (form1.userfile.value.indexOf(".jpg") == -1 &&form1.userfile.value.indexOf(".png") == -1 &&form1.userfile.value.indexOf(".bmp") == -1 &&form1.userfile.value.indexOf(".jpeg") == -1 && form1.userfile.value.indexOf(".gif") == -1 && form1.userfile.value.indexOf(".JPG") == -1 &&form1.userfile.value.indexOf(".PNG") == -1 &&form1.userfile.value.indexOf(".BMP") == -1 &&form1.userfile.value.indexOf(".JPEG") == -1 && form1.userfile.value.indexOf(".GIF") == -1)
{
alert(" Please upload .gif/.jpg/.jpeg/.bmp/.png files only");
form1.userfile.value="";
form1.userfile.focus();
return (false);
}
return(true);
}