function loginvalid()
					{
						if(document.frmlogin.vEmail.value=="")
						{
							alert("Please enter your Email address !!!");
							document.frmlogin.vEmail.focus();
							return false;
						}
						function checkemail1(emailadd)
						{	
							var result = false;
							var theStr = new String(emailadd);
							var index = theStr.indexOf("@");
								if (index > 0)
								{
									var pindex = theStr.indexOf(".",index);
									if ((pindex > index+1) && (theStr.length > pindex+2))
									result = true;
								}
								
							return result;
						}
						if (!checkemail1(document.frmlogin.vEmail.value))
						{ 
								alert(document.frmlogin.vEmail.value + " is not a valid Email ID");
								document.frmlogin.vEmail.focus();	 
								return false;	
						}
						if(document.frmlogin.vPassword.value=="")
						{
							alert("Please enter your password !!!");
							document.frmlogin.vPassword.focus();
							return false;
						}
						return true;
					}
							
					function showlogin()
					{
						document.getElementById('cust_login').style.display = '';
						document.getElementById('loginbutton').style.display = '';
					}