function isFilled(a){if(a.value==""||a.value==null){return false}else{return true}}function isNum(x){var testnum=x.value+"";var flag=0;if(testnum.length=1&&testnum==".")return false;for(var i=0;i<testnum.length;i++){if(testnum.charAt(i)<"0"||testnum.charAt(i)>"9"){if(testnum.charAt(i)=="."){flag+=1}else{return false}}if(flag>1)return false}return true}function ro(x){x=Math.round(x*100)/100;return x}function calculateBEE(beeform){if(beeform.gender2[0].checked){if(document.beeform.age.selectedIndex==0){beeform.beeResult.value=ro((60.9*beeform.weight3.value)-54)}else if(document.beeform.age.selectedIndex==1){beeform.beeResult.value=ro((22.7*beeform.weight3.value)-495)}else if(document.beeform.age.selectedIndex==2){beeform.beeResult.value=ro((17.5*beeform.weight3.value)+651)}else if(document.beeform.age.selectedIndex==3){beeform.beeResult.value=ro((15.3*beeform.weight3.value)+679)}else if(document.beeform.age.selectedIndex==4){beeform.beeResult.value=ro((11.6*beeform.weight3.value)+879)}else if(document.beeform.age.selectedIndex==5){beeform.beeResult.value=ro((13.5*beeform.weight3.value)+487)}}else{if(document.beeform.age.selectedIndex==0){beeform.beeResult.value=ro((61*beeform.weight3.value)-51)}else if(document.beeform.age.selectedIndex==1){beeform.beeResult.value=ro((22.5*beeform.weight3.value)+499)}else if(document.beeform.age.selectedIndex==2){beeform.beeResult.value=ro((12.2*beeform.weight3.value)+746)}else if(document.beeform.age.selectedIndex==3){beeform.beeResult.value=ro((14.7*beeform.weight3.value)+496)}else if(document.beeform.age.selectedIndex==4){beeform.beeResult.value=ro((8.7*beeform.weight3.value)+829)}else if(document.beeform.age.selectedIndex==5){beeform.beeResult.value=ro((10.5*beeform.weight3.value)+596)}}}function calculateEnergy(beeform){if(beeform.gender2[0].checked){if(document.beeform.level.options[document.beeform.level.selectedIndex].value=="light"){beeform.energy.value=ro(beeform.beeResult.value*1.55);var low=beeform.beeResult.value*1.55+500;var high=beeform.beeResult.value*1.55+1000;beeform.gain.value=ro(low)+" - "+ro(high);var low1=beeform.beeResult.value*1.55-1000;var high1=beeform.beeResult.value*1.55-500;beeform.loss.value=ro(low1)+" - "+ro(high1)}if(document.beeform.level.options[document.beeform.level.selectedIndex].value=="moderate"){beeform.energy.value=ro(beeform.beeResult.value*1.78);var low=beeform.beeResult.value*1.78+500;var high=beeform.beeResult.value*1.78+1000;beeform.gain.value=ro(low)+" - "+ro(high);var low1=beeform.beeResult.value*1.78-1000;var high1=beeform.beeResult.value*1.78-500;beeform.loss.value=ro(low1)+" - "+ro(high1)}if(document.beeform.level.options[document.beeform.level.selectedIndex].value=="heavy"){beeform.energy.value=ro(beeform.beeResult.value*2.10);var low=beeform.beeResult.value*2.10+500;var high=beeform.beeResult.value*2.10+1000;beeform.gain.value=ro(low)+" - "+ro(high);var low1=beeform.beeResult.value*2.10-1000;var high1=beeform.beeResult.value*2.10-500;beeform.loss.value=ro(low1)+" - "+ro(high1)}}else{if(document.beeform.level.options[document.beeform.level.selectedIndex].value=="light"){beeform.energy.value=ro(beeform.beeResult.value*1.56);var low=beeform.beeResult.value*1.56+500;var high=beeform.beeResult.value*1.56+1000;beeform.gain.value=ro(low)+" - "+ro(high);var low1=beeform.beeResult.value*1.56-1000;var high1=beeform.beeResult.value*1.56-500;beeform.loss.value=ro(low1)+" - "+ro(high1)}if(document.beeform.level.options[document.beeform.level.selectedIndex].value=="moderate"){beeform.energy.value=ro(beeform.beeResult.value*1.64);var low=beeform.beeResult.value*1.64+500;var high=beeform.beeResult.value*1.64+1000;beeform.gain.value=ro(low)+" - "+ro(high);var low1=beeform.beeResult.value*1.64-1000;var high1=beeform.beeResult.value*1.64-500;beeform.loss.value=ro(low1)+" - "+ro(high1)}if(document.beeform.level.options[document.beeform.level.selectedIndex].value=="heavy"){beeform.energy.value=ro(beeform.beeResult.value*1.82);var low=beeform.beeResult.value*1.82+500;var high=beeform.beeResult.value*1.82+1000;beeform.gain.value=ro(low)+" - "+ro(high);var low1=beeform.beeResult.value*1.82-1000;var high1=beeform.beeResult.value*1.82-500;beeform.loss.value=ro(low1)+" - "+ro(high1)}}}function energylevel(beeform){calculateBEE(beeform);calculateEnergy(beeform)}function isValidBEE(beeform){if(isFilled(beeform.weight3)==false){alert("请输入您的体重 如: 44.5");beeform.weight3.focus();return false}if(isNum(beeform.weight3)==false){alert("请输入一个有效体重 如: 40 或 44.5");beeform.weight3.focus();return false}calculateBEE(beeform)}function isValid(beeform){if(isFilled(beeform.weight3)==false){alert("请输入您的体重 如: 44.5");beeform.weight3.focus();return false}if(isNum(beeform.weight3)==false){alert("请输入一个有效体重 如: 40 或 44.5");beeform.weight3.focus();return false}energylevel(beeform)}function doPrint(){var pwin=window.open("","print");var printStr=window.document.getElementById("div_Print").innerHTML;pwin.document.body.innerHTML=printStr;pwin.print();pwin.close()}