// Enter class of all input fields needing to be substituted here:
// Add more classes like: '.grv, .gyc, .gya'
var input_class_names = '.gry';

$(document).ready(function() {
		
		$(input_class_names).each(function() {
		
			var html = $(this).parent().html();
			if( html.indexOf('value="') != -1 ) {
				
				var default_text = html.substr(html.indexOf('value="')+7, html.length);
				this.default_text = default_text.substr(0, default_text.indexOf('"'));
				this.value = this.default_text;
			}
			
		});
		
		$(input_class_names).focus(function() {
			
			if( $(this).val() == this.default_text ) {
				$(this).val('');
			}
			
		})
		$(input_class_names).blur(function() {
			
			if( $(this).val() == '' ) {
				$(this).val(this.default_text);
			}
			
		});
});