var myImg=[];
myImg[0]=new Image(24, 20);
myImg[0].src="http://totalrebates.com/images/checks-off.jpg";
myImg[1]=new Image(24, 20);
myImg[1].src="http://totalrebates.com/images/checks-on.jpg";

function SwapImageU(oID) {
	var oBox=document.getElementById('boxU'+oID);
	var oInput=document.getElementById('fakeboxU'+oID);
	var upgrade_value=document.getElementById('upgrade').value;
	document.getElementById('boxU'+upgrade_value).src=myImg[0].src;
	if(oBox.src==myImg[0].src) {
		document.getElementById('boxU'+oID).src=myImg[1].src;
	}
	else {
		document.getElementById('boxU'+oID).src=myImg[0].src;
	}
	upgrade_value=oID;
	document.getElementById('upgrade').value=upgrade_value;
//	alert('upgrade_value '+upgrade_value);
}


function SwapImage(oID) {
	var oBox=document.getElementById('box'+oID);
	var oInput=document.getElementById('fakebox'+oID);
	var fs_selected_value=document.getElementById('fs_selected').value;
	var where_is_it=0;
	if(oBox.src==myImg[0].src) {
		if(oID==0) {
			for (var i = 1; i < 10; i++) {
				document.getElementById('box'+i).src=myImg[0].src;
			}
			fs_selected_value='';
			document.getElementById('fs_selected').value=fs_selected_value;
		}
		else {
			if (fs_selected_value!='') {
				var where_is_1=fs_selected_value.indexOf('0');
				if(where_is_1 != -1) {
					document.getElementById('box0').src=myImg[0].src;
					fs_selected_value='';
				  document.getElementById('fs_selected').value = fs_selected_value;
				}
			}
		}
		oBox.src=myImg[1].src;
		oInput.value="true";
			if (fs_selected_value!='') {
			  document.getElementById('fs_selected').value = fs_selected_value+','+oID;
			}
			else {
			  document.getElementById('fs_selected').value = oID;
			}
	}
	else {
		oBox.src=myImg[0].src;
		oInput.value="false";
		var temp = new Array();
		temp = fs_selected_value.split(',');
		var fs_selected_value1=temp.join("");
		where_is_it=fs_selected_value1.indexOf(oID);
//alert('fs_selected_value1 '+fs_selected_value1+' where_is_it '+where_is_it);
		if(where_is_it < 0) {
			where_is_it=0;
		}
//alert('fs_selected_value '+fs_selected_value+' oID '+oID+' where_is_it '+where_is_it);
		temp.splice(where_is_it, 1);
		fs_selected_value2 = temp.toString();
	  document.getElementById('fs_selected').value = fs_selected_value2;
	}
	fs_selected_value3=document.getElementById('fs_selected').value;
	var temp2 = new Array();
	temp2 = fs_selected_value3.split(',');
	temp2.sort( function (a,b) { return a-b; });  // Sort Numerically
	fs_selected_value4 = temp2.toString();
  document.getElementById('fs_selected').value = fs_selected_value4;
//	if(oID==9) {
//		alert('end '+fs_selected_value4);
//	}
}