https://info-dvd.ru/common.js

1function setSelRange(inputEl, selStart, selEnd) {
2	if($(inputEl).attr('contenteditable')){
3		var range,selection;
4	    if(document.createRange)//Firefox, Chrome, Opera, Safari, IE 9+
5	    {
6	        range = document.createRange();//Create a range (a range is a like the selection but invisible)
7	        range.selectNodeContents(inputEl);//Select the entire contents of the element with the range
8	        range.collapse(true);//collapse the range to the end point. false means collapse to end rather than the start
9	        selection = window.getSelection();//get the selection object (allows you to change selection)
10	        selection.removeAllRanges();//remove any selections already made
11	        selection.addRange(range);//make the range you have just created the visible selection
12	    }
13	    else if(document.selection)//IE 8 and lower
14	    { 
15	        range = document.body.createTextRange();//Create a range (a range is a like the selection but invisible)
16	        range.moveToElementText(inputEl);//Select the entire contents of the element with the range
17	        range.collapse(true);//collapse the range to the end point. false means collapse to end rather than the start
18	        range.select();//Select the range (make it the visible selection
19	    }
20	} else {
21		if (inputEl.setSelectionRange) { 
22			inputEl.focus(); 
23			inputEl.setSelectionRange(selStart, selEnd); 
24		} else if (inputEl.createTextRange) { 
25			var range = inputEl.createTextRange(); 
26			range.collapse(true); 
27			range.moveEnd('character', selEnd); 
28			range.moveStart('character', selStart); 
29			range.select(); 
30		} 
31	} 
32}
33
34onInputFocus=function(e){
35	var $input=$(this).find('input');
36	var $this=$(this);
37	if($input.length==0) $input=$this;
38	
39	if($input.val().trim()==$this.attr('default').trim()){
40		$input.val('');
41		$this.removeClass('idle');
42	}
43}
44
45onInputBlur=function(e){
46	var $input=$(this).find('input');
47	var $this=$(this);
48	if($input.length==0) $input=$(this);
49
50	if($input.val().trim()==''){
51		$input.val($this.attr('default'));
52		$this.addClass('idle');
53	}
54}
55
56jQuery.fn.extend({
57	inpdv:function(options){
58		return this.each(function(){
59			$(this).bind('keydown copy paste', onInputFocus).bind('blur change', onInputBlur).bind('focus click', function(){
60				var $input=$(this).find('input');
61				var $this=$(this);
62				if($input.length==0) $input=$this;
63			
64				if($input.val().trim()==$this.attr('default').trim()){
65					setSelRange($input.get(0), 0, 0);
66				}
67			});
68		});
69	}
70});