function CheckMemberLogin()
		{
			if (CheckMemberIdAndPassWord() == 1) 
				{
				document.frmLogin.submit();
				}
		}
	
	function CheckMemberIdAndPassWord()
		{
			
			var errval;
			errval = 1;
			alertMsg = "Error :" + '\n'

			
			
			if (errval == 1)	
				{
					if (document.frmLogin.MemberId.value  == '')
						{
						errval = 0
						alertMsg = alertMsg + "Member Id should not be empty" + '\n'
						}
				}
			
			if (errval == 1)	
				{
				if (document.frmLogin.PASSWORD.value == '')
					{
					errval = 0
					alertMsg = alertMsg + "Pass word should not be empty" + '\n'
					}
				}	

		
			if (errval == 1)	
				{
				if (document.frmLogin.MemberId.value.length < 4 || document.frmLogin.MemberId.value.length > 15 )
					{
					errval = 0
					alertMsg = alertMsg + "Invalid length of user id" + '\n'
					}				 
				}
			
			if (errval == 1)	
				{	
				if (document.frmLogin.PASSWORD.value.length < 4 || document.frmLogin.PASSWORD.value.length > 15 )
					{
					errval = 0
					alertMsg = alertMsg + "Invalid length of pass word" + '\n'
					}			
				} 
			
					
			if (errval == 1)	
				{
				if  (checkinvalidchar(document.frmLogin.MemberId.value) == 1 )
					{	
					errval = 0
					alertMsg = alertMsg + "Invalid characters in user id" + '\n'
					}		
				}
			
			if (errval == 1)	
				{	
				if  (checkinvalidchar(document.frmLogin.PASSWORD.value) == 1 )
					{	
					errval = 0
					alertMsg = alertMsg + "Invalid characters in pass word" + '\n'
					}		
				}
				
			
			if (errval == 0)
				{
				alert(alertMsg)
				}
			
			return errval;
		}
		
	function checkinvalidchar(pchar)
		{
			
			var extrchar;
			var pcharlen;
			var retvalue;
			
			retvalue = 0 ;
			pcharlen = pchar.length;		
			
			for (i = 0;i < pcharlen;i++)
				{
					extrchar=pchar.substring(i,i+1);
					if (extrchar < '0' || extrchar > '9')
					{
						if (extrchar < 'a' || extrchar > 'z')
							{
								if (extrchar < 'A' || extrchar > 'Z')
								{
								retvalue = 1;
								}
							}	
						}	
				}
		
		return retvalue;		
				
		}	
	
	function opennewwindow()
		{

		}