basically i'm working on html form validate numbers (soil pollutants concentrations inserted manually) , give message in cell @ end, according on scale numbers situated
in case, concentration of copper in soil x=500 mg/kg. need verify number intervals limits soil pollution (400 < x < 1800= poluted) , display message like:
"your soil considered polluted"
because concentration on 400 mg/kg, example.
can give me idea on how this? need integrate webpage.
something this?
<!doctype html> <html> <head> <title>soil analysis</title> <script type="text/javascript"> window.onload=function() { document.getelementbyid("form1").onsubmit=function() { var copper = parseint(this.copper.value,10); var text = "your soil "; if (copper <= 400) text += "not polluted"; else if (copper < 1800) text += "considered polluted"; else text += "considered polluted"; document.getelementbyid("soilmessage").innerhtml=text; return false; // cancel submit } } </script> </head> <body> <form id="form1"> <input type="text" name="copper" id="copper" value="" /> <input type="submit" value=" validate " /> </form> <div id="soilmessage"></div> </body> </html> 
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