function submitForm()
{
        document.forms.theform.submit();
}

function ShowPDF(aURL) {
	var pdf;
	pdf=window.open(aURL,"pdf","height=740,width=850,scrollbars=yes,resizable=yes,toolbar=yes");
	pdf.focus();
}

function colourChange(newcolour)
{
	if(newcolour == "blkwht")
	{
		document.forms.theform.colour.value = "blkwht";
	}
	else
	{
		document.forms.theform.colour.value = "colour";
	}
	document.forms.theform.submit();
}

function timeChange(steps)
{
	document.forms.theform.steps.value = steps;
	document.forms.theform.submit();
}

function periodChange(menupos,period_type)
{
    if (period_type == 1) {
	if (menupos == 0)
		document.forms.theform.period.value = "January";
	else if(menupos == 1) 
		document.forms.theform.period.value = "February";
	else if(menupos == 2) 
		document.forms.theform.period.value = "March";
	else if(menupos == 3) 
		document.forms.theform.period.value = "April";
	else if(menupos == 4) 
		document.forms.theform.period.value = "May";
	else if(menupos == 5)
		document.forms.theform.period.value = "June";
	else if(menupos == 6)
                document.forms.theform.period.value = "July";
	else if(menupos == 7)
                document.forms.theform.period.value = "August";
	else if(menupos == 8)
                document.forms.theform.period.value = "September";
	else if(menupos == 9)
                document.forms.theform.period.value = "October";
	else if(menupos == 10)
                document.forms.theform.period.value = "November";
	else if(menupos == 11)
                document.forms.theform.period.value = "December";
    } 
    else if (period_type == 2) {
	if (menupos == 0)
		document.forms.theform.period.value = "January-March";
	else if(menupos == 1) 
		document.forms.theform.period.value = "February-April";
	else if(menupos == 2) 
		document.forms.theform.period.value = "March-May";
	else if(menupos == 3) 
		document.forms.theform.period.value = "April-June";
	else if(menupos == 4) 
		document.forms.theform.period.value = "May-July";
	else if(menupos == 5)
		document.forms.theform.period.value = "June-August";
	else if(menupos == 6)
                document.forms.theform.period.value = "July-September";
	else if(menupos == 7)
                document.forms.theform.period.value = "August-October";
	else if(menupos == 8)
                document.forms.theform.period.value = "September-November";
	else if(menupos == 9)
                document.forms.theform.period.value = "October-December";
	else if(menupos == 10)
                document.forms.theform.period.value = "November-January";
	else if(menupos == 11)
                document.forms.theform.period.value = "December-February";
    }
    else if (period_type == 3) {
       if (menupos == 0)
                document.forms.theform.period.value = "January-June";
        else if(menupos == 1)
                document.forms.theform.period.value = "February-July";
        else if(menupos == 2)
                document.forms.theform.period.value = "March-August";
        else if(menupos == 3)
                document.forms.theform.period.value = "April-September";
        else if(menupos == 4)
                document.forms.theform.period.value = "May-October";
        else if(menupos == 5)
                document.forms.theform.period.value = "June-November";
	else if(menupos == 6)
                document.forms.theform.period.value = "July-December";
        else if(menupos == 7)
                document.forms.theform.period.value = "August-January";
        else if(menupos == 8)
                document.forms.theform.period.value = "September-February";
        else if(menupos == 9)
                document.forms.theform.period.value = "October-March";
        else if(menupos == 10)
                document.forms.theform.period.value = "November-April";
        else if(menupos == 11)
                document.forms.theform.period.value = "December-May";
    }
   else if (period_type == 4) {
       if (menupos == 0)
                document.forms.theform.period.value = "January-September";
        else if(menupos == 1)
                document.forms.theform.period.value = "February-October";
        else if(menupos == 2)
                document.forms.theform.period.value = "March-November";
        else if(menupos == 3)
                document.forms.theform.period.value = "April-December";
        else if(menupos == 4)
                document.forms.theform.period.value = "May-January";
        else if(menupos == 5)
                document.forms.theform.period.value = "June-February";
	else if(menupos == 6)
                document.forms.theform.period.value = "July-March";
        else if(menupos == 7)
                document.forms.theform.period.value = "August-April";
        else if(menupos == 8)
                document.forms.theform.period.value = "September-May";
        else if(menupos == 9)
                document.forms.theform.period.value = "October-June";
        else if(menupos == 10)
                document.forms.theform.period.value = "November-July";
        else if(menupos == 11)
                document.forms.theform.period.value = "December-August";
}
   else if (period_type == 5) {
       if (menupos == 0)
		document.forms.theform.period.value = "Annual";
}
    document.forms.theform.submit();
}

function clickableMap(newstate)
{
	document.forms.area.value = newstate;
	document.forms.theform.submit();
}

function mapChange()
{
	document.forms.theform.submit();
}

function donothing() { }