get_element = document.all ?
			function (divId) { return document.all[divId] } :
			function (divId) { return document.getElementById(divId) };

function ExpandBlockReg(divId){
	var elementTable = get_element(divId);

	elementTable.style.display = 'block';

	return false;
}

function RetireBlock(divId){
	var elementTable = get_element(divId);
	elementTable.style.display = 'none';
}

function cambiaTipoSol(frm){
	tipo_sol = frm.cercadoveSol.value;
	switch (tipo_sol){
		case 'siciliaonline1':
			ExpandBlockReg('search_sol');
			RetireBlock('search_google');
			break;
		case 'web1':
			ExpandBlockReg('search_google');
			RetireBlock('search_sol');
			break;
	}
	frm.reset();
}		

function cambiaTipoGoogle(frm){
	tipo_google = frm.cercadoveGoogle.value;
	switch (tipo_google){
		case 'siciliaonline2':
			ExpandBlockReg('search_sol');
			RetireBlock('search_google');
			break;
		case 'web2':
			ExpandBlockReg('search_google');
			RetireBlock('search_sol');
			break;
	}
	frm.reset();
}