function check_del(mess) 
	{
			var formValid=false;
			if ( confirm(mess)) 
			{
					formValid=true;
			}
	
			return formValid;
	}

	function check_empty(field1, mess1) 
	{
		var formValid=false;
		var f = document.forms['frm'];
		var fi=f.elements[field1];
	
		if ( fi.value == '' ) 
		{
				alert(mess1);
				fi.focus();
				formValid=false;
		}
		else
			formValid=true; 
	
		return formValid;
	}

	function check_empty2(field1, field2, mess1, mess2) 
	{
		var formValid=false;
		var f = document.forms['frm'];
		var fi=f.elements[field1];
		var fi2=f.elements[field2];
	
		if ( fi.value == '' ) 
		{
				alert(mess1);
				fi.focus();
				formValid=false;
		}
		else
			if(fi2.value == '')
			{
					alert(mess2);
					fi2.focus();
					formValid=false;
			}
			else
				formValid=true; 
	
		return formValid;
	}
	
	function check_empty2_new( formname, field1, field2, mess1, mess2) 
	{
		var formValid=false;
		var f = document.forms[formname];
		var fi=f.elements[field1];
		var fi2=f.elements[field2];
		var fi3=f.elements[field3];		
	
		if ( fi.value == '' ) 
		{
				alert(mess1);
				fi.focus();
				formValid=false;
		}
		else
			if(fi2.value == '')
			{
					alert(mess2);
					fi2.focus();
					formValid=false;
			}
			else
				if(fi3.value == '')
				{
						alert(mess3);
						fi3.focus();
						formValid=false;
				}			
				else
					formValid=true; 
	
		return formValid;
	}