function uploadFormSubmit(filetype) {
    
    var extension = new Array();
    var extension_bool = false;
    var fieldvalue = document.UploadForm.uploadFileName.value;
    if (filetype == 1 || (filetype > 3 && filetype < 6 ) || filetype == 7)
        extension[0] = ".SDF";
    else if (filetype == 2 || filetype == 3 || filetype == 6) {
        extension[0] = ".GIF";
        extension[1] = ".JPG";
        extension[2] = ".JPEG";
    }
    
    // No other customization needed.
    var thisext = fieldvalue.substr(fieldvalue.lastIndexOf('.')).toUpperCase();

    for (var i = 0; i < extension.length; i++) {        
        if (thisext == extension[i] || filetype == 4) { 
            extension_bool =  true;
            break;
        }
    }
    if(filetype == 4 && extension_bool) {

        $('UploadForm').method = 'POST';
        $('UploadForm').action = 'index?object=importsearch&action=index';
        $('UploadForm').submit();
    }
    else if( extension_bool ) {
        $('UploadForm').method = 'POST';
        $('UploadForm').action = 'index?object=upload&action=index&upload=true';
        $('UploadForm').submit();  
    } 
    else {
        if (filetype == 1 || filetype > 3)
            $('errorBox').innerHTML = 'File extension must be sdf!';
        else if (filetype == 2)
            $('errorBox').innerHTML = 'File extension must be gif, jpg or jpeg!';
    }
	
}