(function($){
		
	$.fn.alphanumeric = function(p) { 

		p = $.extend({
			ichars: "_!@#$%^&*()+=[]\\\';,/{}|\":<>?~`.- éöóêåíãøùçõúôûâàïðîëäæýú¸ÿ÷ñìèòüáþÉÖÓÊÅÍÃØÙÇÕÚÔÛÂÀÏÐÎËÄÆÝÚ¨ß×ÑÌÈÒÜÁÞ",
			nchars: "",
			allow: ""
		  }, p);	

		return this.each
			(
				function() 
				{

					if (p.nocaps) p.nchars += "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
					if (p.allcaps) p.nchars += "abcdefghijklmnopqrstuvwxyz";
					
					s = p.allow.split('');
					for ( i=0;i<s.length;i++) if (p.ichars.indexOf(s[i]) != -1) s[i] = "\\" + s[i];
					p.allow = s.join('|');
					
					var reg = new RegExp(p.allow,'gi');
					var ch = p.ichars + p.nchars;
					ch = ch.replace(reg,'');				
					
					$(this).keypress
						(
							function (e)
								{
									if (!e.charCode) k = String.fromCharCode(e.which);
										else k = String.fromCharCode(e.charCode);
										
									if (ch.indexOf(k) != -1) 
										{
											//ââîä çàïðåù¸ííîãî ñèìâîëà, íî ðàçðåøàì íàæèìàòü ctrl + v
											if (e.ctrlKey && k=='v')  {} else e.preventDefault();
										}	
									if (e.ctrlKey&&k=='v') 
										{
											//ïîëüçîâàòåëü íàæàë ctrl + v											
											//e.preventDefault(); //áëîêèðîâêà ñòàíäàðòíîãî ñîáûòèÿ
										}
									
								}
								
						);
						
					//áëîêèðîâêà íàæàòèÿ ïðàâîé êíîïêè ìûøè	
					//$(this).bind('contextmenu',function () {return false});
					
					/*
						Åñëè ïîëå èçìåíåíî, óáèðàåì çàïðåù¸ííûå ñèìâîëû
						ch - çàïðåù¸ííûå ñèìâîëû
						$(this).attr("value") - ââåä¸ííûå ñèìâîëû
					*/
					$(this).bind('change',function () {
						
						var str = $(this).attr("value");									
						var flag_symbol=true;
						var result='';
						
						str= str.split('');
						ch_array=ch.split('');						
						
						for(var tt=0;tt<str.length;++tt)
							{
								flag_symbol=true;
								for(var t=0;t<ch_array.length;++t) if (str[tt]==ch_array[t])
									{
										flag_symbol=false;
									}	
								if (flag_symbol) result += str[tt];	
						
							}			
						$(this).attr("value", result);
					});
									
				}
			);

	};

	$.fn.numeric = function(p) {
	
		var az = "abcdefghijklmnopqrstuvwxyz";
		var az_rus = "éöóêåíãøùçõúôûâàïðîëäæýú¸ÿ÷ñìèòüáþ";
		az += az_rus;
		az += az.toUpperCase();

		p = $.extend({
			nchars: az
		  }, p);	
		  	
		return this.each (function()
			{
				$(this).alphanumeric(p);
			}
		);
			
	};
	
	$.fn.alpha = function(p) {

		var nm = "1234567890";
		var az_rus = "éöóêåíãøùçõúôûâàïðîëäæýú¸ÿ÷ñìèòüáþ";
		mn += az_rus + az_rus.toUpperCase();
		
		p = $.extend({
			nchars: nm
		  }, p);	

		return this.each (function()
			{
				$(this).alphanumeric(p);
			}
		);
			
	};	
	
	$.fn.alpharuss = function(p) {

		p = $.extend({
			ichars: "_!@#$%^&*()+=[]\\\';,/{}|\":<>?~`.-"
		  }, p);	

		return this.each (function()
			{
				$(this).alphanumeric(p);
			}
		);
			
	};	

})(jQuery);