function check_search_box(){
	if(document.paper_list_search.goBack.value=="1"){
		return true;
	}
	if(document.paper_list_search.search_word.value==""){
		document.paper_list_search.search_word.style.borderColor="#e2002a";
		alert('Please fill out all mandatory fields');
		return false;
	}
	if(document.paper_list_search.search_option.value==""){
		document.paper_list_search.search_option.style.borderColor="#e2002a";
		alert('Please fill out all mandatory fields');
		return false;
	}
}

function checkEventForm(myForm){
	var is_error = false;
	for(i=0;i<myForm.elements.length;i++){
		if(myForm.elements[i].getAttribute('mandatory')=="1"
			&& myForm.elements[i].value==""){
				myForm.elements[i].style.borderColor="#e2002a";
				is_error = true;
		}else{ 
			myForm.elements[i].style.borderColor="#cccccc";
		}
	}

	if(is_error){
		document.getElementById('form_error_message').innerHTML='Please fill out all mandatory fields';
		document.getElementById('form_error_message').style.borderColor="#e2002a";
		$("#form_error_message").show('slow');
		return false;
	}

	return true;
}

// Leer die Input-Felder des Login-Formulars
function clear_input(field){
	var fieldid=field.toLowerCase(); 
	if (document.getElementById(fieldid).value==field){
		document.getElementById(fieldid).value='';
	}
}

/**
*
*  Javascript trim, ltrim, rtrim
*  http://www.webtoolkit.info/
*
**/
 
function trim(str, chars) {
	return ltrim(rtrim(str, chars), chars);
}
 
function ltrim(str, chars) {
	chars = chars || "\\s";
	return str.replace(new RegExp("^[" + chars + "]+", "g"), "");
}
 
function rtrim(str, chars) {
	chars = chars || "\\s";
	return str.replace(new RegExp("[" + chars + "]+$", "g"), "");
}