function ChkFieldss()
{
	if(frmReg.CourseName.value == "")
	{
		alert("Course Name is Missing.");		
		frmReg.CourseName.focus();
		return false;
	}
	
	if(frmReg.CourseDate.value == "")
	{
		alert("Course Date is Missing.");		
		frmReg.CourseDate.focus();
		return false;
	}
	if(frmReg.CourseCity.value == "")
	{
		alert("Course City is Missing.");		
		frmReg.CourseCity.focus();
		return false;
	}
	if(frmReg.Email.value == "")
	{
		alert("Email is Missing.");		
		frmReg.Email.focus();
		return false;
	}
	if (!(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(frmReg.Email.value)))
	{	
		alert("Invalid Email Address! Please re-enter.");
		frmReg.Email.select();
		frmReg.Email.focus();
		return false;
	}
	if(frmReg.CompanyName.value == "")
	{
		alert("Company Name is Missing.");		
		frmReg.CompanyName.focus();
		return false;
	}