						
                  <!--
                        function isBlank(varString) {
                              var boolStringIsBlank = true
                              var intI
                              if(varString) {
                                    for(intI=0; intI < varString.length; intI++) {
                                          if(varString.charAt(intI) != " ") {
                                                boolStringIsBlank = false
                                                break
                                          }
                                    }
                              }
                              return boolStringIsBlank
                        }
                        
                        function doCalc() {
                              var boolPerform = true
                              var strMsg
                              var intDepth
                              var intArea
                              var sngResult
                              
                              if(isBlank(document.MulchCalc.thickness.value)) {
                                    boolPerform = false
                                    strMsg = "Please enter how thick you want your mulch to be in inches."
                                    document.MulchCalc.thickness.focus()
                              }
                              if(boolPerform)
                                    if(isBlank(document.MulchCalc.area.value)) {
                                    boolPerform = false
                                    strMsg = "Please enter the total area in square feet to be covered by mulch."
                                    document.MulchCalc.area.focus()
                              }
                                if(boolPerform) {
                                    intDepth = document.MulchCalc.thickness.value
                                    intArea = document.MulchCalc.area.value
                                    sngResult = Math.round((intDepth * intArea * 14400) / 46656) / 100
                                    document.MulchCalc.Total.value = sngResult
                                }
                                else
                                alert(strMsg)
                        }
                        //-->