polyfill for placeholder

placeholderfallback

$(function() {
  	    function isPlaceholderSupported() {
		        var input = document.createElement("input");
		        return ('placeholder' in input);
		    } 

		    var placeholdersupport = isPlaceholderSupported();

		    if (placeholdersupport == false) {
		        // If there is no placeholder support,
		        // set the value of the input field to the
		        // placeholder value
		        $('#query').val('Search and type enter');
		    }

		    $('#query').focus(function() {
		        if (placeholdersupport == false) {
		            if ($(this).val() == 'Search and type enter')
		                $(this).val('');
		        }
		    });

		    $('#query').blur(function() {
		        if (placeholdersupport == false) {
		            if($(this).val() == '')
		                $(this).val('Search and type enter');
		        }
		    });
		});