function calculateFeet()
{ 
  var calcNumber=0
  var SubTotal=0
  var newSubTotal=0; 
  var Inputs = document.forms[0].elements;      
  var obj
  for (i=0; i<Inputs.length; i++)
    {
	obj = Inputs[i]
	if (obj.type == 'text' && obj.value != '') {	
        if (obj.name != "StorageSize" && obj.id != "ctl00_HolderMainContent_CubicFeet")
        {   	               
			var val=obj.value;
			if(isNaN(val))
			  {
				val=0;
				obj.value = '0'
			  }
			var inputName=obj.name
			var beginCalc=inputName.indexOf(",");
			calcNumber=inputName.slice(beginCalc + 1);
			calcNumber=Number(calcNumber);   
			val=val * calcNumber;
			SubTotal=val;
			newSubTotal=newSubTotal + SubTotal;
        }			
		}
    } 
 
  newSubTotal=newSubTotal.toString();                 //convert to string
  var beginCalc=newSubTotal.indexOf(".");
  if (beginCalc > 0 ) newSubTotal=newSubTotal.slice(0, (beginCalc + 3));  //round to 2 decimals
  //document.forms[0].CubicFeet.value = newSubTotal
  document.forms[0].ctl00_HolderMainContent_CubicFeet.value = newSubTotal;
  
	var sUnitSize = ''
	//calculate unit size
	if (newSubTotal > 4680) {
	    sUnitSize = 'Call'
	}
	   else if (newSubTotal > 4480) {
		sUnitSize = '13\' x 45\''
	} else if (newSubTotal > 4160) {
		sUnitSize = '14\' x 40\''
	} else if (newSubTotal > 3640) {
		sUnitSize = '13\' x 40\''
	} else if (newSubTotal > 3120) {
		sUnitSize = '13\' x 35\''
	} else if (newSubTotal > 2400) {
		sUnitSize = '13\' x 30\''
	} else if (newSubTotal > 2000) {
		sUnitSize = '10\' x 30\''
	} else if (newSubTotal > 1600) {
		sUnitSize = '10\' x 25\''
	} else if (newSubTotal > 1200) {
		sUnitSize = '10\' x 20\''
	} else if (newSubTotal > 800) {
		sUnitSize = '10\' x 15\''
	} else if (newSubTotal > 600) {
		sUnitSize = '10\' x 10\''
	} else if (newSubTotal > 400) {
		sUnitSize = '7.5\' x 10\''
	} else if (newSubTotal > 300) {
		sUnitSize = '5\' x 10\''
	} else if (newSubTotal > 200) {
		sUnitSize = '5\' x 7.5\''
	} else if (newSubTotal > 0) {
		sUnitSize = '5\' x 5\''
	}
	//if (newSubTotal > 2400) sUnitSize += ' Boat\\RV Unit'
  document.forms[0].StorageSize.value = sUnitSize
  
}