String prototype that transforms any string into a "ID" usable string by replacing portuguese special characters into their simple equivalents and stripping all remaining special chars.

ideize.js

/* Transforms any string into a "ID" usable string by replacing portuguese special characters into their simple equivalents and stripping all remaining special chars. */

String.prototype.IDize = function () {
	var texto = this;
	var chrEspeciais = new Array("\u00e1", "\u00e0", "\u00e2", "\u00e3", "\u00e4", "\u00e9", "\u00e8", "\u00ea", "\u00eb", "\u00ed", "\u00ec", "\u00ee", "\u00ef", "\u00f3", "\u00f2", "\u00f4", "\u00f5", "\u00f6", "\u00fa", "\u00f9", "\u00fb", "\u00fc", "\u00e7", "\u00c1", "\u00c0", "\u00c2", "\u00c3", "\u00c4", "\u00c9", "\u00c8", "\u00ca", "\u00cb", "\u00cd", "\u00cc", "\u00ce", "\u00cf", "\u00d3", "\u00d2", "\u00d4", "\u00d5", "\u00d6", "\u00da", "\u00d9", "\u00db", "\u00dc", "\u00c7");
	var chrNormais = new Array("a", "a", "a", "a", "a", "e", "e", "e", "e", "i", "i", "i", "i", "o", "o", "o", "o", "o", "u", "u", "u", "u", "c", "A", "A", "A", "A", "A", "E", "E", "E", "E", "I", "I", "I", "I", "O", "O", "O", "O", "O", "U", "U", "U", "U", "C");
	for(index in chrEspeciais) {
		texto = texto.replace(new RegExp(chrEspeciais[index], 'g'), chrNormais[index])
	}
	texto = texto.replace(/[^a-zA-Z0-9_-]/g, '');
	return texto.toLowerCase();
}