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(C) http://www.calculator.net all right reserved.  
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function popMenu(A){DQ="";if(A=="metric"){DQ=DQ+'<li><a href="#" onclick="popMenu(\'standard\');">US units</a></li> <li id=\'menuon\'><a href="#" onclick="popMenu(\'metric\');">metric units</a></li> <li><a href="#" onclick="popMenu(\'other\');">other units</a></li>';gObj("ctype").value="metric";gObj("standardheightweight").style.display="none";gObj("metricheightweight").style.display="block";DQ="<ul>"+DQ+"</ul>";gObj("ucframe").innerHTML=""}else{if(A=="standard"){DQ=DQ+'<li id=\'menuon\'><a href="#" onclick="popMenu(\'standard\');">US units</a></li> <li><a href="#" onclick="popMenu(\'metric\');">metric units</a></li> <li><a href="#" onclick="popMenu(\'other\');">other units</a></li>';gObj("ctype").value="standard";gObj("standardheightweight").style.display="block";gObj("metricheightweight").style.display="none";DQ="<ul>"+DQ+"</ul>";gObj("ucframe").innerHTML=""}else{DQ=gObj("topmenu").innerHTML;gObj("ucframe").innerHTML='<iframe src="/converter/converter.php" width=520 height=235 frameborder="NO" scrolling="NO" allowTransparency="true" ></IFRAME>'}}gObj("topmenu").innerHTML=DQ;calc()}function calc(){showquickmsg("calculating...",true);lg=gObj("ctype").value;NQ=gObj("cheightfeet").value;KH=gObj("cheightinch").value;AI=gObj("cheightmeter").value;dT=gObj("cneckfeet").value;gi=gObj("cneckinch").value;Kq=gObj("cwaistfeet").value;pt=gObj("cwaistinch").value;WC=gObj("chipfeet").value;gp=gObj("chipinch").value;re=gObj("cneckmeter").value;lf=gObj("cwaistmeter").value;XV=gObj("chipmeter").value;dd=(document.domain+"").toLowerCase();if((dd!="\x6C\x6F\x63\x61\x6C\x68\x6F\x73\x74")&&(dd.indexOf("\x63\x61\x6C\x63\x75\x6C\x61\x74\x6F\x72\x2E\x6E\x65\x74")<0)){cc="a";return }iQ=false;if(gObj("csex1").checked){iQ=true}if(typeof (cc)!="undefined"){return }if(lg=="standard"){if((!isNumber(NQ))||(!isNumber(KH))){showquickmsg("height need to be numeric",true);return }else{if((!isNumber(dT))||(!isNumber(gi))){showquickmsg("neck need to be numeric",true);return }else{if((!isNumber(Kq))||(!isNumber(pt))){showquickmsg("waist need to be numeric",true);return }else{if((!isNumber(WC))||(!isNumber(gp))){showquickmsg("hip need to be numeric",true);return }}}}AI=30.48*parseFloat(NQ)+2.54*parseFloat(KH);re=30.48*parseFloat(dT)+2.54*parseFloat(gi);lf=30.48*parseFloat(Kq)+2.54*parseFloat(pt);XV=30.48*parseFloat(WC)+2.54*parseFloat(gp)}else{if(!isNumber(AI)){showquickmsg("height need to be numeric",true);return }else{if(!isNumber(re)){showquickmsg("neck need to be numeric",true);return }else{if(!isNumber(lf)){showquickmsg("waist need to be numeric",true);return }else{if(!isNumber(XV)){showquickmsg("hip need to be numeric",true);return }}}}}AI=parseFloat(AI);lf=parseFloat(lf);XV=parseFloat(XV);re=parseFloat(re);if(iQ){Bj=495/(1.0324-0.19077*(Math.log(lf-re)/Math.LN10)+0.15456*(Math.log(AI)/Math.LN10))-450}else{Bj=495/(1.29579-0.35004*(Math.log(lf+XV-re)/Math.LN10)+0.221*(Math.log(AI)/Math.LN10))-450}if(Bj<0){Bj=0}if(Bj>100){Bj=100}Bj=parseFloat(formatNum(Bj)).toFixed(1);Fj="<font color=green><b>body fat = "+Bj+"%</b></font>";showquickmsg(Fj,false)};