function myIsEmpty(fld)
{
	return ((fld.value == null)||(fld.value.length == 0));
}
function myIsValidEMailId(email)
{
	var emailRegxp = /^([a-zA-Z0-9]+[a-zA-Z0-9-_.]*)+@([a-zA-Z0-9]+[a-zA-Z0-9-_.]*[a-zA-Z0-9]+)+(.[a-zA-Z]{2,4})$/;
	//var emailRegxp = /^([\w]+)(.[\w]+)*@([\w]+)(.[\w]{2,3}){1,2}$/;
	//var emailRegxp = /^([a-zA-Z]+)([a-zA-Z0-9_-.]+)@([a-zA-Z0-9_-]+)(.[a-zA-Z0-9])$/;
	return (emailRegxp.test(email));
}	
function myIsValidDate(d,m,y)
{
	//alert("in date validation");//for testing
	var newdate;
	newdate = new Date(y,m-1,d);//javascript months are 0 based

/*	alert(d+"="+newdate.getDate());
	alert((m-1)+"=="+newdate.getMonth());
	alert(y+"="+newdate.getYear());
	alert(d==newdate.getDate());
	alert(m-1==newdate.getMonth());
	alert(y==newdate.getFullYear());
*/
	return((d==newdate.getDate()) && (m-1==newdate.getMonth()) && (y==newdate.getFullYear()))
}	
function refreshleftmenu()
{
	parent.frames['leftframe'].location.reload();
}

function logout()
{
	parent.location = "Main.php?op=logout";
}
function check_uncheck_all(frm,chk)
{
	var count = frm.elements.length;
	var element; 
	for (i=0; i<count; i++) 
	{
		element = frm.elements[i]; 
		if (element.type == "checkbox") 
		{ 
			element.checked = chk.checked; 
		}
	} 
}