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function ConEng(a,b){if(a==0)return"0";var c=Math.round(a),e=0,g=0,e=0,h=32,f="";c>=384&&b&&(e=Math.floor(c/384),c-=e*384,f+=e.toString()+"'");var i=false;c>=32&&(g=Math.floor(c/32),c-=g*32,f+=g.toString(),i=true);if(Math.floor(c)>0){i=true;g>0&&(f+="~");e=Math.floor(c);for(h=32;e%2==0&&e>1&&e<32;)e/=2,h/=2;f+=e.toString()+"/"+h.toString()}i&&(f+='"');return f}
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function RestoreFromQs(){var a=document.location.toString();a.indexOf("?frm=")>-1&&(a=a.substring(a.indexOf("?frm=")+5),a.indexOf("&")>-1&&(a=a.substring(0,a.indexOf("&"))),RestoreState(a))}
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function ParseCheck(a,b,c,e){if(b.value=="")return alert(a+" Value Required"),-1;b=parseFloat(b.value);if(isNaN(b))return alert(a+" Numbers Only"),-1;else if(b<c)return alert(a+" Must be larger than or = "+c),-1;else if(b>e)return alert(a+" Must be smaller than or = "+e),-1;return b}
function ShowQR(){var a=document.location.toString();a.indexOf(".aspx")!=a.length-5&&(a=a.substring(0,a.indexOf(".aspx")+5));var b=GetState();b.length>0&&(a+="?frm="+b);var b=a.length<180?"200x200":"300x300",c=new Image;c.src="http://chart.apis.google.com/chart?cht=qr&chs="+b+"&chl="+a;document.getElementById("spnQRf").appendChild(c);document.getElementById("divQRf").style.display="block"}
function LargeRun(a){a=a.innerHTML.replace(/\s+/g,"").replace(/'+/g,"f").replace(/"+/g,"i");window.open("rundisplay.aspx?r="+a)}function ShowTwitter(){var a=window.location.toString()+(window.location.toString().indexOf("?")>-1?"&r=t":"?r=t");window.open("http://twitter.com/share?url="+escape(a),null,"height=400,width=600,scrollbars=0,resizable=1,status=0,toolbar=0,menubar=0,location=0").focus()}
function LinkedInShare(){var a=window.location.toString()+(window.location.toString().indexOf("?")>-1?"&r=li":"?r=li"),a="http://www.linkedin.com/shareArticle?mini=true&url="+escape(a)+"&title="+escape("Blocklayer.mobi Mobile Construction Calculators")+"&summary="+escape(document.title)+"&source="+escape("Blocklayer.com");window.open(a,null,"height=400,width=600,scrollbars=0,resizable=1,status=0,toolbar=0,menubar=0,location=0").focus()}
function SetupStorage(){var a=GetLoc().toLowerCase();if(a.indexOf("concrete.a")==-1&&a.indexOf("concreteeng")==-1&&HasStorage())document.getElementById("divStorage").style.display="block",GetJobs()}function SaveJob(){var a=prompt("Save Current Input Values this Page as:","");if(a.length>0){var b=GetState();b.length>2&&(localStorage.setItem(GetLoc()+";"+a,b),GetJobs())}}
function GetJobs(){if(localStorage.length>0){for(var a=GetLoc(),b=0,c=document.getElementById("ddJobs").options.length=0;c<localStorage.length;c++)localStorage.key(c).substring(0,localStorage.key(c).indexOf(";"))==a&&(document.getElementById("ddJobs").options[b++]=new Option(localStorage.key(c).substring(localStorage.key(c).indexOf(";")+1)));document.getElementById("divJobs").style.display=b>0?"block":"none"}}
function DeleteJob(){confirm("Delete "+document.getElementById("ddJobs").value)&&(localStorage.removeItem(GetLoc()+";"+document.getElementById("ddJobs").value),GetJobs())}
function DeleteAllJobsPage(){if(confirm("Delete all Jobs This Page?")&&localStorage.length>0){for(var a=GetLoc(),b=0;b<document.getElementById("ddJobs").length;b++)localStorage.removeItem(a+";"+document.getElementById("ddJobs").options[b].value);document.getElementById("ddJobs").options.length=0;document.getElementById("divJobs").style.display="none"}}
function DeleteAllJobsSite(){if(confirm("Clear all saved jobs this site?"))localStorage.clear(),document.getElementById("ddJobs").options.length=0,document.getElementById("divJobs").style.display="none",alert("All Jobs Removed")}
function GetJob(){try{RestoreState(localStorage.getItem(GetLoc()+";"+document.getElementById("ddJobs").value))}catch(a){alert("Failed to load form data");return}typeof theForm=="undefined"?Calculate():alert("Form has been re-filled with saved data from job "+document.getElementById("ddJobs").value+"\n\nHit 'Calc' to re-calculate")}function GetLoc(){var a=document.location.toString();return a.substring(a.indexOf("www.")>-1?11:7,a.indexOf(".aspx")+5)}
function HasStorage(){try{return"localStorage"in window&&window.localStorage!==null}catch(a){return false}};