function
omv(image,name)
{
	image.src=name;
}


function detectKey(e) {
	
	var characterCode;
	if(e && e.which){ //if which property of event object is supported (NN4)
	e = e;
	characterCode = e.which //character code is contained in NN4's which property
	//alert("-" + characterCode + "-");
	}
	else{
	e = event;
	characterCode = e.keyCode; //character code is contained in IE's keyCode property
	}
	
	if(characterCode == 13){ //if enter key pressed
		//alert("Enter key has been pressed !");
		return true;
	}
	else {
		return false;
	}	

}

function chequeaCaracteres (cajadeTexto) {
	var i;
	var rExp1 = /\*/gi;
	var rExp2 = /\?/gi;

	var caracteresProhibidos = new Array(",","&","{","}","\"","'","(",")","[","]","-",";","~","|","$","¡","!",">","<","+","=");
	var valor = new String(cajadeTexto.value);
	var valorEnLowerCase = new String();
	


	valor=valor.replace(rExp1, "%");//cambia asteriscos por porcentajes
	valor=valor.replace(rExp2, "_");//cambia interrogaciones por guiones bajos

	//valorEnLowerCase = valor;
	valorEnLowerCase = valor.toLowerCase( );
	
	//alert (valor);
	//alert (valorEnLowerCase);
	

	for (i=0 ; i < caracteresProhibidos.length; i++) {
		if (valorEnLowerCase.indexOf(caracteresProhibidos[i])!= -1) {
			alert ("El carácter o expresión '" + caracteresProhibidos[i] + "' no es válido para el Buscador" );		
			return false;		
		}
	}
	cajadeTexto.value=valor;//reemplaza el valor de la caja de texto para mandarlo
	window.document.buscador.submit();
	return true;
}