jquery html5 compatible realize placeholder password ie6

<style type = "text / CSS"> 
/ * prompt text color set * / 
:: - {placeholder WebKit-INPUT- 
Color: # 838 383; 
} 
: {-moz-placeholder 
Color: # 838 383; 
} 
.placeholder { 
Color: #ccc; 
} 
</ style> 
login user name, password, text prompts, mouse leaves the display text html5 and jquery 
account: <input type = "text" name = "email" placeholder = ' user account' /> 
password: <input type = "password" name = "password " placeholder = ' password' AutoComplete = "OFF" /> 
<Script type = "text / JavaScript"> 
// determines whether the browser supports placeholder property 
function isPlaceholder () { 
	var = INPUT Document. the createElement ( 'INPUT'); 
	return 'placeholder' in input;
}
 
(! isPlaceholder ()) {// do not support the IF placeholder accomplished with jquery
	$(document).ready(function() {
	    if(!isPlaceholder()){
	        $("input").not("input[type='password']").each(//把input绑定事件 排除password框
	            function(){
	                if($(this).val()=="" && $(this).attr("placeholder")!=""){
	                    $(this).val($(this).attr("placeholder"));
	                    $(this).focus(function(){
	                        if($(this).val()==$(this).attr("placeholder")) $(this).val("");
	                    });
	                    $(this).blur(function(){
	                        if($(this).val()=="") $(this).val($(this).attr("placeholder"));
	                    });
	        // password for special treatment to create a text block 1. The block 2 to obtain a focus switching loses focus and
	                }
	        }); 
	        var pwdField = $ ( "INPUT [type = password]"); 
	        var = pwdVal pwdField.attr ( 'placeholder'); 
	        pwdField.after ( '<INPUT ID = "pwdPlaceholder" type = "text" value =' + + pwdVal 'AutoComplete = "OFF" />'); 
	        var pwdPlaceholder = $ ( '# pwdPlaceholder'); 
	        pwdPlaceholder.show (); 
	        pwdField.hide (); 
	        
	        pwdPlaceholder.focus (function () { 
	        	pwdPlaceholder.hide (); 
	        	pwdField.show (); 
	        	pwdField.focus (); 
	        }); 
	        
	        pwdField.blur (function () { 
	        	IF (pwdField.val () == '') {
	        		pwdPlaceholder.show();
	        		pwdField.hide();
	        	}
	        });
	        
	    }
	});
	
}
</script>