<script language="javascript">

function mOver(el){
		el.className = "divOver";
	}

	function mOut(el){
		el.className = "divNormal";
	}
	
	function v_field(field,alerttxt)
		{
		with (field)
		{
		  if (value==null||value=="")
		  {
		  alert(alerttxt);return false;
		  }
		  else
		  {
		  return true;
		  }
	   }
	}
	
	function v_email(field,alerttxt)
		{
		with (field)
			{
			apos=value.indexOf("@");
			dotpos=value.lastIndexOf(".");
			if (apos<1||dotpos-apos<2) 
			  {alert(alerttxt);return false;}
				else {return true;}
			}
		}	
	
	function v_form(thisform)
		{
		with (thisform)
		{
		
		if (v_field(name,"Please fill in your name!")==false)
		  {name.focus();return false;}
		 if (v_field(institution,"Please fill in your institution name!")==false)
		  {institution.focus();return false;}
		 if (v_email(email,"Please fill in your valid email address!")==false)
		  {email.focus();return false;}
		 
		}
		}
</script>
