$().ready(function(){$("#printer_friendly").click(function(a){window.open("/calculator/print/","sac","width=860,height=400,scrollbars=yes")});$("#calc_button").click(function(k){var j=$("#purchase_price").val();var h=$("#avg_cost").val();var m=$("#hours").val();var i=$("#rate").val();var b=$("#selling_price").val();if(j==""){$("#purchase_price").addClass("formCalcError");alert("You must provide a Purchase Price");$("#purchase_price").focus();return false}else{if(j!=""&&isNaN(j)){$("#purchase_price").addClass("formCalcError");alert("You may only enter numerical values for this field");$("#purchase_price").focus();return false}else{$("#purchase_price").removeClass("formCalcError")}}if(h==""){$("#avg_cost").addClass("formCalcError");alert("You must provide an Average Cost of Operation");$("#avg_cost").focus();return false}else{if(h!=""&&isNaN(h)){$("#avg_cost").addClass("formCalcError");alert("You may only enter numerical values for this field");$("#avg_cost").focus();return false}else{$("#avg_cost").removeClass("formCalcError")}}if(m==""){$("#hours").addClass("formCalcError");alert("You must provide the Operating Hours");$("#hours").focus();return false}else{if(m!=""&&isNaN(m)){$("#hours").addClass("formCalcError");alert("You may only enter numerical values for this field");$("#hours").focus();return false}else{$("#hours").removeClass("formCalcError")}}if(i==""){$("#rate").addClass("formCalcError");alert("You must provide the Production Rate");$("#rate").focus();return false}else{if(i!=""&&isNaN(i)){$("#rate").addClass("formCalcError");alert("You may only enter numerical values for this field");$("#rate").focus();return false}else{$("#rate").removeClass("formCalcError")}}if(b==""){$("#selling_price").addClass("formCalcError");alert("You must provide the Product Selling Price");$("#selling_price").focus();return false}else{if(b!=""&&isNaN(b)){$("#selling_price").addClass("formCalcError");alert("You may only enter numerical values for this field");$("#selling_price").focus();return false}else{$("#selling_price").removeClass("formCalcError")}}var j=(j!="")?parseFloat(j):0;var h=(h!="")?parseFloat(h):0;var m=(m!="")?parseFloat(m):0;var i=(i!="")?parseFloat(i):0;var b=(b!="")?parseFloat(b):0;var f=m*i;$("#production").val(f.toFixed(2));var d=b*f;$("#production_value").val(d.toFixed(2));var c=h*m;$("#operating_cost").val(c.toFixed(2));var a=d-c;$("#net_income").val(a.toFixed(2));var l=a-j;$("#net_roi_year").val(l.toFixed(2));var g=l/f;$("#net_roi_ton").val(g.toFixed(2))})});