function checkgroup(thegroup){
// morpeth area selector
var the_group_box = "box" + thegroup;
if(thegroup==0){
		for (i=9; i<14; i++){
		var a = document.getElementsByTagName('input'); //array of areas
		var b =	document.getElementById(the_group_box);
		if (b.checked == true){
			a[i].checked=true;
			}else{
			a[i].checked=false;
			}
		}
		a[20].checked=true;
	}
// ashington area selector
if(thegroup==1){
		for (i=8; i<17; i++){
		var a = document.getElementsByTagName('input'); //array of areas
		var b =	document.getElementById(the_group_box);
		if (b.checked == true){
			a[i].checked=true;
			}else{
			a[i].checked=false;
			}
		}
	}
// blyth area selector
if(thegroup==2){
		for (i=17; i<24; i++){
		var a = document.getElementsByTagName('input'); //array of areas
		var b =	document.getElementById(the_group_box);
		if (b.checked == true){
			a[i].checked=true;
			}else{
			a[i].checked=false;
			}
		}
	}
// whitley bay area selector
if(thegroup==3){
		for (i=24; i<30; i++){
		var a = document.getElementsByTagName('input'); //array of areas
		var b =	document.getElementById(the_group_box);
		if (b.checked == true){
			a[i].checked=true;
//alert('bob');
			}else{
			a[i].checked=false;
//alert('fred');
			}
		}
	}

}