/*
* Elegans
* * 
*/

function trim(l_str) {
	var l_str_string = new String(l_str); 
	var l_int_length = l_str_string . length; 
	var l_str_temp = new String(''); 
	var l_b_flag = true; 
	for (l_int_i = 0; l_int_i <= l_int_length - 1; ++l_int_i) {
		if (l_b_flag == true && l_str_string.charAt(l_int_i) == ' ') {
			l_b_flag = true;
		} else {
			l_b_flag = false;
			l_str_temp = l_str_string.substring(l_int_i);
			 break;
		} 
		if (l_int_i == l_int_length - 1) {
			return l_str_temp;
		} 
	} 
	l_int_length = l_str_temp.length;
	l_b_flag = true;
	for (l_int_i = l_int_length - 1; l_int_i >= 0; l_int_i--) {
		if (l_b_flag == true && l_str_temp.charAt(l_int_i) == ' ') {
  			l_b_flag = true;
		} else {
			l_b_flag = false;
			l_str_string = l_str_temp.substring(0, l_int_i + 1);
			break;
		} 
	} 
	return l_str_string;
} 

function checktxt(l_str_form) {
	var str1=l_str_form;
	var str2=trim(str1.value);
	if (str2.length==0) {
		alert("A mandatory field has not been filled. Please enter an appropriate value.");
		l_str_form.focus();
		return false;
	} else {
	return true;
	}
}

function verticalAlign(elem1, elem2) {
	var e1 = document.getElementById(elem1);
	var e2 = document.getElementById(elem2);
	var h1 = e1.offsetHeight;
	var h2 = e2.offsetHeight;
	if (h1 >= h2+2) {
		e2.style.marginTop = (h1-h2)/2 + "px";
	} else if (h2 >= h1+2) {
		e1.style.marginTop = (h2-h1)/2 + "px";
	}
}