function emailvalidation(entered, alertbox)
	{
		with (entered)
			{

				apos=value.indexOf("@"); 
				dotpos=value.lastIndexOf(".");
				lastpos=value.length-1;
				
				if (apos<1 || dotpos-apos<2 || lastpos-dotpos>3 || lastpos-dotpos<2) 
					{
						if (alertbox) 
							{
								alert(alertbox);
							}
						return false;
					}
					
				else
					{
						return true;
					}
			}
	}


function listvalidation(entered, alertbox)
	{
		with (entered)
			{
			
				if (value=="") 
					{
						if (alertbox)
							{
								alert(alertbox);
							}
						return false;
					}

				else
					{
						return true;
				}
			}
	}

	
function emptyvalidation(entered, alertbox)
	{
		with (entered)
			{
			
				if (value==null || value=="")
					{
						if (alertbox!="")
							{
								alert(alertbox);
							}
						return false;
					}
				
				else
					{
						return true;
					}
			}
	}

	
function emailcompare(Email1, Email2)
	{
		if (document.form.Email1.value == document.form.Email2.value)
			{
				return true;
			}

		else
			{
				return false;
		}
	}
	
function humanvalidation(field) 
	{
		if (field!=null) 
			{
				field.value = "set";
			}
	}