solved Date drop down showing date when not entered

'value' => ''

 // Task Completed Date
    $_tmp = array(
        'name'      => 'task_completed_date',
	 'label'     => 'test label',
        'value' => ''
    );
    jrCore_form_field_create($_tmp);

<script type="text/javascript">
$(document).ready(function(){
try { $('#task_completed_date').glDatePicker({ onChange: function(target,newDate) { var yy = newDate.getUTCFullYear().toString(); var mm = (newDate.getMonth() + 1).toString(); var dd = newDate.getDate().toString(); target.val((mm[1] ? mm : "0" + mm[0]) +"/"+ (dd[1] ? dd : "0" + dd[0]) +"/"+ yy.substring(2)); } }); } catch(e) {};
try { $('#task_week').glDatePicker({ onChange: function(target,newDate) { var yy = newDate.getUTCFullYear().toString(); var mm = (newDate.getMonth() + 1).toString(); var dd = newDate.getDate().toString(); target.val((mm[1] ? mm : "0" + mm[0]) +"/"+ (dd[1] ? dd : "0" + dd[0]) +"/"+ yy.substring(2)); } }); } catch(e) {};

    try {
    var active_e0f3fd85_uploads = {};
    var active_e0f3fd85_ulcount = 0;
    var pm_task_photo = new qq.FileUploader({
        element: document.getElementById('pm_task_photo'),
        action: 'http://lfdgcare.com/core/upload_file/',
        inputName: 'pm_task_photo',
        acceptFiles: 'png,gif,jpg,jpeg',
        sizeLimit: 10485760,
        multiple: false,
        debug: true,
        params: { upload_name: 'task_photo', field_name: 'pm_task_photo', token: 'cb5a864b8c8aa5f44e8f6c8339e9c593', upload_token: '127487e5c8f66809a8d4c0ce66652051', extensions: 'png,gif,jpg,jpeg', multiple: 'false' },
        uploadButtonText: 'Upload a new Image',
        cancelButtonText: 'cancel',
        failUploadText: 'upload failed',
        onSubmit: function(id,fileName) {
            active_e0f3fd85_ulcount++;
            if (0 > 0 && active_e0f3fd85_ulcount > 0) { return false; }
        },
        onUpload: function(id,fileName) {
            active_e0f3fd85_uploads[fileName] = 1;
            $('.form_submit_section input').attr("disabled","disabled").addClass('form_button_disabled');
        },
        onComplete: function(id,fileName,response) {
            delete active_e0f3fd85_uploads[fileName]; var count = 0;
            for (i in active_e0f3fd85_uploads) { if (active_e0f3fd85_uploads.hasOwnProperty(i)) { count++; } }
            if (count === 0) { $('.form_submit_section input').removeAttr("disabled","disabled").removeClass('form_button_disabled'); }
        }
    });
    } catch(e) {}
return true;
});
</script>

'value' => false

 // Task Completed Date
    $_tmp = array(
        'name'      => 'task_completed_date',
	 'label'     => 10653,
        'value' => false
    );
    jrCore_form_field_create($_tmp);

    // Blog Publish Date
    $_tmp = array(
        'name'     => 'blog_publish_date',
        'label'    => 22,
        'help'     => 23,
        'type'     => 'datetime',
        'validate' => 'date',
        'required' => false
    );
    jrCore_form_field_create($_tmp);

    $_tmp = array(
        'name'     => 'task_completed_date',
        'label'    => 10653,
        'help'     => 'whatever help text your after goes in here...',
        'type'     => 'datetime',
        'validate' => 'date',
        'value'    => false,
        'required' => false
    );
    jrCore_form_field_create($_tmp);