function myvalidation()

	{

	var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;

		if(document.tanentfrm.cname.value=="")

			{

			alert("Enter Name!");

			document.tanentfrm.cname.focus();

			return false;

			}

		if (!(/^\d+$/.test(document.tanentfrm.phone_no.value)))

  				{

                	alert('Enter Vailid Phone No.');

					document.tanentfrm.phone_no.focus();

					return false;

            	}

		var address = document.tanentfrm.e_mailid.value;

   		 if(reg.test(address) == false)

		 {

      		alert('Invalid Email Address');

	  		document.tanentfrm.e_mailid.focus();

      		return false;

   		}

		if(document.tanentfrm.country.value=="")

			{

			alert("Enter Country!");

			document.tanentfrm.country.focus();

			return false;

			}

		

		

		if(document.tanentfrm.arr_dd.selectedIndex == 0)

			{

			alert("Select Arrival date!");

			document.tanentfrm.arr_dd.focus();

			return false;

			}

		if(document.tanentfrm.arr_mm.selectedIndex == 0)

			{

			alert("Select Arrival month!");

			document.tanentfrm.arr_mm.focus();

			return false;

			}

		if(document.tanentfrm.arr_yy.selectedIndex == 0)

			{

			alert("Select Arrival year!");

			document.tanentfrm.arr_yy.focus();

			return false;

			}

		if(document.tanentfrm.dep_dd.selectedIndex == 0)

			{

			alert("Select Depart date!");

			document.tanentfrm.dep_dd.focus();

			return false;

			}

		if(document.tanentfrm.dep_mm.selectedIndex == 0)

			{

			alert("Select Depart month!");

			document.tanentfrm.dep_mm.focus();

			return false;

			}

		if(document.tanentfrm.dep_yy.selectedIndex == 0)

			{

			alert("Select Depart year!");

			document.tanentfrm.dep_yy.focus();

			return false;

			}

		if(document.tanentfrm.des_destny.value=="")

			{

			alert("Enter Desire Destination!");

			document.tanentfrm.des_destny.focus();

			return false;

			}	 

		

	}