function initStartPage(){YAHOO.util.Event.addListener("calculate_fee_btn","click",caculation)}function showCaculateButton(){document.getElementById("showhide").style.display="block"}function buyerFee(B){var A;if(B>0&&B<=25){A=0}else{if(B>25){A=1.5}}document.getElementById("price").innerHTML="$ "+A.toString()}function sellerFee(B){var A;if(B>0&&B<=25){A=0}else{if(B>25&&B<100){A=1.5}else{if(B>=100&&B<1000){A=1.5+0.02*(B-100);A=Math.floor(A*100)/100}else{if(B>=1000){A=19.5+0.01*(B-1000);A=Math.floor(A*100)/100}}}}document.getElementById("price").innerHTML="$ "+A.toString()}function caculation(){document.getElementById("price").innerHTML="";var A=document.getElementById("item-price-input").value;var B=/^\d+(,\d{3})+(\.\d+)?$/;if(B.test(A)){A=A.replace(",","")}if(!checkFormat(A)){return }sellerFee(A)}function checkFormat(B){var C=/^(([1-9]+[0-9]*.{1}[0-9]+)|([0].{1}[1-9]+[0-9]*)|([1-9][0-9]*)|([0][.][0-9]+[1-9]*))$/;var A=document.getElementById("errorMsg");B=trim(B);if(B==""){A.innerHTML="Enter item price.";A.style.display="block";return false}else{if(!C.exec(B)){A.innerHTML="Item price must be numbers.";A.style.display="block";return false}else{if(B<=0){A.innerHTML="Item price must be greater than 0.";A.style.display="block";return false}else{A.innerHTML="";A.style.display="none";return true}}}}function trim(A){return A.replace(/^\s*/,"").replace(/\s*$/,"")}YAHOO.util.Event.onDOMReady(initStartPage)