<!-- 

function trim(inputString) {
   // Removes leading and trailing spaces from the passed string. Also removes
   // consecutive spaces and replaces it with one space. If something besides
   // a string is passed in (null, custom object, etc.) then return the input.
   if (typeof inputString != "string") { return inputString; }
   var retValue = inputString;
   var ch = retValue.substring(0, 1);
   while (ch == " ") { // Check for spaces at the beginning of the string
	  retValue = retValue.substring(1, retValue.length);
	  ch = retValue.substring(0, 1);
   }
   ch = retValue.substring(retValue.length-1, retValue.length);
   while (ch == " ") { // Check for spaces at the end of the string
	  retValue = retValue.substring(0, retValue.length-1);
	  ch = retValue.substring(retValue.length-1, retValue.length);
   }
   while (retValue.indexOf("  ") != -1) { // Note that there are two spaces in the string - look for multiple spaces within the string
	  retValue = retValue.substring(0, retValue.indexOf("  ")) + retValue.substring(retValue.indexOf("  ")+1, retValue.length); // Again, there are two spaces in each of the strings
   }
   return retValue; // Return the trimmed string back to the user
}

function valida(checkStr){
	var checkOK = "\'\"";
	var allValid = true;
	for (i = 0;  i < checkStr.length;  i++){
		ch = checkStr.charAt(i);
		if(ch == "\'" || ch == "\"" || ch == "\|" || ch == "\\"){
			allValid = false;
			break;
		}
	}
	return allValid;
}

function checa(){
	
	var esqini = "_____________________________\n"+
					"Información inválida:\n";
					
	var esqfin="\n_____________________________" +
					"\nFavor de verificar la información";
					
	var mensaje = esqini +
					"\n> El campo de búsqueda contiene caracteres"+
					"\n  que no son válidos tales como: "+
					"\n            \"   \'   \|   " + esqfin;

//	if (trim(document.frmConsulta.parameter.value) == ""){
//		document.frmConsulta.parameter.focus();
//		return;
//	} else {
//		if(!valida(document.frmConsulta.parameter.value)){
//			alert(mensaje);
//			document.frmConsulta.parameter.focus();
//			return;	
//		}
//	}

	document.frmConsulta.submit();
}
-->