//<!--Hide from old browsers
	function inputCheck() 
    {
		var input=document.Criteria.SqFootage.value;
		document.Criteria.SqFootage.focus();
        if (input != "") 
        {	
			if (isNaN(input)) 
			{
				alert("You may enter numbers only in the Square Footage field");
				return false;						
			}	
		}
		
    }
//-->