jQuery Set Focus on First Character (Range)

[javascript]
$.fn.selectRange = function(start, end) {
return this.each(function() {
if (this.setSelectionRange) {
this.focus();
this.setSelectionRange(start, end);
} else if (this.createTextRange) {
var range = this.createTextRange();
range.collapse(true);
range.moveEnd(‘character’, end);
range.moveStart(‘character’, start);
range.select();
}
});
};

//usage
$(‘#elem’).selectRange(3,5);
//—————————————————————-
//Other useful cursor functions:
//cursor functions

//set cursor position
$.fn.setCursorPosition = function(position){
if(this.length == 0) return this;
return $(this).setSelection(position, position);
};

//set selection range
$.fn.setSelection = function(selectionStart, selectionEnd) {
if(this.length == 0) return this;
input = this[0];

if (input.createTextRange) {
var range = input.createTextRange();
range.collapse(true);
range.moveEnd(‘character’, selectionEnd);
range.moveStart(‘character’, selectionStart);
range.select();
} else if (input.setSelectionRange) {
input.focus();
input.setSelectionRange(selectionStart, selectionEnd);
}

return this;
};

//Set focus to beginning of input:
$.fn.focusEnd = function(){
this.setCursorPosition(this.val().length);
};

//Set focus to end of input:
$.fn.focusStart = function(){
this.setCursorPosition(0);
};
[/javascript]