function enviaComentario(){
		document.getElementById("message_comentari").innerHTML = "Enviant dades ...";
		$('#message_comentari').fadeIn("slow");
		nom 			= document.getElementById("nom").value;
		missatge		= document.getElementById("missatge").value;
		email		= document.getElementById("email").value;
		acepto = document.getElementById("acepto").checked;
		var nom			=		nom.htmlEntities();
		var email			=		email.htmlEntities();			
		var missatge	=		missatge.htmlEntities();		
			
		
		if((nom!="")&&(missatge!="")&&(acepto)&&(email!="")){
			if((email!="")){
				if(isValidEmail(email)){
					$.ajax({
						   type: "POST",
						   url: "submitform.php",
						   data: "ajax=1&OP_1=submit"+
						   "&nom="+nom+
						  "&missatge="+missatge+
						   "&email="+email,
						 
						   
						   success: function(msg){
								//alert(msg); 
								tmp = msg.split("__");
			
								switch(tmp[0]){
									case "error1":
										
										document.getElementById("message_comentari").innerHTML = tmp[1];
										$('#message_comentari').fadeIn("slow");
									break;
									default:
										
										document.getElementById("message_comentari").innerHTML = tmp[0];
										document.getElementById("missatge_form").reset();
										$('#message_comentari').fadeIn("slow");
										
									break;
								} 
								
						   	//cargaDadesCapa(msg,'container_general');
						   }
					 });
				}else{
					document.getElementById("message_comentari").innerHTML = "Format mail incorrecte";
					$('#message_comentari').fadeIn("slow");
				}
			}else{
				$.ajax({
				   type: "POST",
				   url: "submitform.php",
				   data: "ajax=1&OP_1=submit"+
				   "&nom="+nom+
				  "&missatge="+missatge+
				   "&email="+email,
				 
				   
				   success: function(msg){
						//alert(msg); 
						tmp = msg.split("__");
	
						switch(tmp[0]){
							case "error1":
								
								document.getElementById("message_comentari").innerHTML = tmp[1];
								$('#message_comentari').fadeIn("slow");
							break;
							default:
								
								document.getElementById("message_comentari").innerHTML = tmp[0];
								document.getElementById("missatge_form").reset();
								$('#message_comentari').fadeIn("slow");
								
							break;
						} 
						
				   	//cargaDadesCapa(msg,'container_general');
				   }
				 });
				
			}
			
		}else{
			
			document.getElementById("message_comentari").innerHTML = "Tots els camps són obligatoris";
			$('#message_comentari').fadeIn("slow");
		}

	}

		


function isValidEmail(str) {
   return (str.indexOf(".") >= 1) && (str.indexOf("@") > 0);
}

//	prototipo htmlentity en javascript
String.prototype.htmlEntities = function () {
   return this.replace(/&/g,'_AMP_').replace('>','_GRAN_').replace('<','_PETIT_').replace(/[+]/g,'_PLUS_').replace(/#/g,'_ALMO_');
};


function DecodeHtmlEntities(str){
		str =  str.replace(/_AMP_/g, '&').replace(/_GRAN_/g, '>').replace(/_PETIT_/g, '<').replace(/_PLUS_/g,'+').replace(/_ALMO_/g,'#').replace(/%20/g,' ');
		try{
			var txt = document.createElement('textarea');
			txt.innerHTML = str;
			return txt.value;
		}catch(e){
			return str;
		}
}