vf+blockui

vfblockui.jsp

<apex:page standardController="Contact">
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.4.4/jquery.min.js"/> 
    <script src="https://ajax.microsoft.com/ajax/jquery.ui/1.8.5/jquery-ui.js"/> 
    <script src="http://malsup.github.com/jquery.blockUI.js" />
    <link rel="stylesheet" type="text/css" media="screen" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.18/themes/base/jquery-ui.css" />
    
    <script>
     j$ = jQuery.noConflict(); 
     
    function blockme() { 
        j$.blockUI({ css: { 
            border: 'none', 
            padding: '15px', 
            backgroundColor: '#000', 
            '-webkit-border-radius': '10px', 
            '-moz-border-radius': '10px', 
            opacity: .5, 
            color: '#fff' 
            } }); 
 
      }
    </script>
    <apex:form >
        <apex:commandButton onclick="blockme()" oncomplete="j$.unblockUI();" value="Save!" action="{!quickSave}" />
    </apex:form>
</apex:page>