function CallCoord(questions, gridw_range, gridh_range, fill_range, draw, write)
{ 
//Convert *'s in ranges to colons
	gridw_range = gridw_range.replace("*",":");
	gridh_range = gridh_range.replace("*", ":");	
	fill_range = fill_range.replace("*", ":");	
//Convert spaces to + to ensure compliance
	gridw_range = gridw_range.replace(" ","+");
	gridh_range = gridh_range.replace(" ", "+");	
	fill_range = fill_range.replace(" ", "+");	
//URL encode strings
	gridw_range = escape(gridw_range);
	gridh_range = escape(gridh_range);
	fill_range = escape(fill_range);
//Call worksheet
	window.location='your_worksheet.php?worksheet=coordinates&WorksheetTitle=Coordinates&QuestionCount='+questions+'&GridWidth='+gridw_range+'&GridHeight='+
		gridh_range+'&FillPercent='+fill_range+'&QDraw='+draw+'&QWrite='+write;	
}