function CheckForm()
{
	var act = document.activeElement.id;
	switch (act)
	{
		case "btnCalculate":
			//var j=document.getElementById("ddJobs").value;
			//return confirm("Are you sure you want\nto delete job "+ j);
			break;
		case "btnBestBond":
			if (document.getElementById("txtBestBond").value=="")
			{
				alert("Enter target length first\nThis is the length you want to get bond to\nSystem will recalc perp joint size\neither tighter or bigger\nas the selected radio button\nto attain this length");
				document.getElementById("txtBestBond").focus();
				return false;
			}
			break;
		case "btnBestGage":
			if (document.getElementById("txtBestGage").value=="")
			{
				alert("Enter target height first\nThis is the height you want to get gage to\nSystem will recalc bed joint size\neither tighter or bigger\nas the selected radio button\nto attain this height");
				document.getElementById("txtBestGage").focus();
				return false;
			}
			break;	
	}
}
function ResetBlocks(series)
{
	switch (series)
	{
		case 200:	
			document.getElementById("txtLength").value="390";
			document.getElementById("txtHeight").value="190";
			document.getElementById("txtPerpJoint").value="10";
			document.getElementById("txtBedJoint").value="10";
			break;
		case 100:	
			document.getElementById("txtLength").value="390";
			document.getElementById("txtHeight").value="90";
			document.getElementById("txtPerpJoint").value="10";
			document.getElementById("txtBedJoint").value="10";
			break;
		case 310:	
			document.getElementById("txtLength").value="310";
			document.getElementById("txtHeight").value="90";
			document.getElementById("txtPerpJoint").value="10";
			document.getElementById("txtBedJoint").value="10";
			break;
	}
}
function UnitType_onchange(ctrl)
{
	document.getElementById("spnUnitType").innerHTML = ctrl.value;
}
function window_onload()
{
	document.getElementById("spnUnitType").innerHTML = document.getElementById("ddUnitType").value;
}