esExplorer =  (navigator.appName.charAt(0) == 'M');

function formSubmit(){
				 year=getYear();
				 document.formComunicado.action='/corporativo/jsp/c_2_1-c.jsp?arg1='+year;
				 document.formComunicado.submit();
}

function getYear(){
				 if (esExplorer){
	          selectedValue = document.formComunicado.year.value;
				 }else{
						selectedIndex = document.formComunicado.year.selectedIndex;
	          if (selectedIndex == (-1)) selectedValue = '';
	          selectedValue = document.formComunicado.year.options[selectedIndex].value;
				 }
				 return selectedValue;
}