function getunits() {
for (i=0;i<document.DisplayProperties.units.length;i++)
	{
		if (document.DisplayProperties.units[i].checked)
		{
			lastclick = document.DisplayProperties.units[i].value;
		}
	}
}
function changeMeasure() {
	for (i=0;i<document.DisplayProperties.units.length;i++)
	{
		if (document.DisplayProperties.units[i].checked)
		{
			newUnit = document.DisplayProperties.units[i].value;
		}
	}
	if (newUnit!=lastclick){
		lastclick =newUnit;
		if (newUnit=='inches'){
			suffix = '/.254)/100';
		}
		else {
			suffix = '*2540)/100';
		}
		for (i=0;i<window.document.DisplayProperties.elements.length;i++)
		{
			numvalue = window.document.DisplayProperties.elements[i].value;
			if (numvalue != '' && numvalue!='inches' && numvalue!='mm' && numvalue!='Update'){
				numvalue = 'Math.round(' + numvalue + suffix;
				window.document.DisplayProperties.elements[i].value = eval(numvalue);
			}
		}
	}
}