jQuery(document).ready(function() {
 jQuery('#postform').submit(function(){
 	url = jQuery('#wpsc_site_url').val();
 	if(url == '' || url == 'http://' || url == 'Please enter your store URL or localhost'){
	 	jQuery('#wpsc_site_url').css('border','1px solid red');
	 	jQuery('#wpsc_site_url').css('color','red');
	 	jQuery('#wpsc_site_url').val('Please Enter Your URL with the Problem or http://example.com');
 		return false;
 	}
 });
});