function calcVMW(form){

	convert = 1.0;
	//div = 6000.0;

	if (form.VMWUNITS.options[form.VMWUNITS.selectedIndex].text == 'Inch') {
		convert = 2.54;
	}
	if (form.VMWSERVICE.options[form.VMWSERVICE.selectedIndex].text == 'DHL') {
		div=5000.0;
	}
	if (form.VMWSERVICE.options[form.VMWSERVICE.selectedIndex].text == 'UPS') {
		div=6000.0;
	}
	if (form.VMWSERVICE.options[form.VMWSERVICE.selectedIndex].text == 'TNT') {
		div=4000.0;
	}
	

	sWidth 	= parseFloat(form.VMWLENGTH.value);
	sLength = parseFloat(form.VMWWIDTH.value);
	sDepth 	= parseFloat(form.VMWHEIGHT.value);

	if (sWidth&&sLength&&sDepth) {
		vmw = ((sWidth*convert) * (sLength*convert) * (sDepth*convert)) / div;
		form.VMWRESULT.value = (parseInt(vmw*100))/100;
	} else {
		form.VMWRESULT.value = "";
	}
}