(function($){$.fn.alphanumeric=function(p){p=$.extend({ichars:"!@#$%^&*()+=[]\\\';,/{}|\":<>?~` ",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,'');$(this).keypress
(function(e)
{if(!e.charCode)k=String.fromCharCode(e.which);else k=String.fromCharCode(e.charCode);if(ch.indexOf(k)!=-1)e.preventDefault();if(e.ctrlKey&&k=='v')e.preventDefault();});$(this).bind('contextmenu',function(){return false});});};$.fn.numeric=function(p){var az="abcdefghijklmnopqrstuvwxyz";az+=az.toUpperCase();p=$.extend({nchars:az},p);return this.each(function()
{$(this).alphanumeric(p);});};$.fn.alpha=function(p){var nm="1234567890";p=$.extend({nchars:nm},p);return this.each(function()
{$(this).alphanumeric(p);});};})(jQuery);