function SearchSku(domain){var frm=document.frmSkuSearch;var searchsku=frm.SKU.value;if(searchsku==""){alert("You must provide a SKU in order to search");}
else{var url="http://"+domain+"/filters/skusearch/"+searchsku+".html";document.location.href=url;frm.action=url;}}
function SearchMerv(domain){var merv="";for(x=0;x<document.frmSearch.MERV.length;x++){if(document.frmSearch.MERV[x].checked==true){merv=document.frmSearch.MERV[x].value;}}
if(merv==""){alert("You must select a Merv rating in order to search");}
else{document.location.href="http://"+domain+"/filters/merv/"+merv+".html";}}
function setCookie(c_name,value,expiredays){var exdate=new Date()
exdate.setDate(exdate.getDate()+expiredays)
document.cookie=c_name+"="+escape(value)+
((expiredays==null)?"":";expires="+exdate.toGMTString())}
function doUpdateCart(id,val){document.cookie=id+"="+val;}
function doRemove(id,val){var ans=confirm("Are you sure you want to remove this item from your cart?");if(ans){Delete_Cookie(''+id,'/','');document.location.replace("cart.html");}}
function showCartCounter(domain){var newqty=document.getElementById("cartonqty").value;if(document.getElementById("cartcounter").innerHTML<20){var cnt="<div class=\"cartcounter\">";cnt=cnt+"<div style=\"float:left;\"><strong>In Cart</strong>: <span id=\"cartcount\">"+newqty+"</span> items</div>";cnt=cnt+"<div style=\"float:right;\"><input type=\"button\" value=\"Go To Cart\" class=\"cartbtn\" onClick=\"document.location.href='http://"+domain+"/cart.html';\"></div>";cnt=cnt+"</div>";document.getElementById("cartcounter").innerHTML=cnt;}
else{var curqty=document.getElementById("cartcount").innerHTML;document.getElementById("cartcount").innerHTML=1*curqty+1*newqty;}}
function is_valid_char(char,valid_chars)
{var x=0;var fnd=false;for(x in valid_chars)
{if(char==valid_chars[x])
{fnd=true;}}
return fnd;}
function CommaFormatted(amount)
{var delimiter=",";var a=amount.split('.',2)
var d=a[1];var i=parseInt(a[0]);if(isNaN(i)){return'';}
var minus='';if(i<0){minus='-';}
i=Math.abs(i);var n=new String(i);var a=[];while(n.length>3)
{var nn=n.substr(n.length-3);a.unshift(nn);n=n.substr(0,n.length-3);}
if(n.length>0){a.unshift(n);}
n=a.join(delimiter);if(d.length<1){amount=n;}
else{amount=n+'.'+d;}
amount=minus+amount;return amount;}
function format_currency(amount)
{amount=amount.toString();var mx=amount.length;var ValidChars=new Array(1,2,3,4,5,6,7,8,9,0,'.');var Result="";var y=0;for(var x=0;x<mx;x++){y=x+1;if(is_valid_char(amount.substring(x,y),ValidChars)){Result=Result+""+amount.substring(x,y);}}
Result=1*Result;Result=Result.toFixed(2);Result=CommaFormatted(Result);Result="$ "+Result;return Result;}
function disc(qty)
{for(var x=0;x<arrDiscAmt.length;x++)
{if(qty>=arrDiscLow[x]&&qty<=arrDiscHigh[x])
{var discount=arrDiscAmt[x];if(discount>1)
{discount=discount/100;}
return discount;}}
return 0;}
var arrPriceFilter=[];var arrFilterCarton=[];var arrPriceCarton=[];function calc_ttl(catid)
{var frm=document.frmAddToCart_catid;var qty=document.getElementById("cartonqty_"+catid).value;var discount=disc(qty);var final_price=qty*arrPriceCarton[catid];discount=discount*final_price;final_price=final_price-discount;document.getElementById("quantity_discount_"+catid).innerHTML=format_currency(discount);document.getElementById("final_price_"+catid).innerHTML=format_currency(final_price);}
function MM_swapImgRestore(){var i,x,a=document.MM_sr;for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++)x.src=x.oSrc;}
function MM_preloadImages(){var d=document;if(d.images){if(!d.MM_p)d.MM_p=new Array();var i,j=d.MM_p.length,a=MM_preloadImages.arguments;for(i=0;i<a.length;i++)
if(a[i].indexOf("#")!=0){d.MM_p[j]=new Image;d.MM_p[j++].src=a[i];}}}
function MM_findObj(n,d){var p,i,x;if(!d)d=document;if((p=n.indexOf("?"))>0&&parent.frames.length){d=parent.frames[n.substring(p+1)].document;n=n.substring(0,p);}
if(!(x=d[n])&&d.all)x=d.all[n];for(i=0;!x&&i<d.forms.length;i++)x=d.forms[i][n];for(i=0;!x&&d.layers&&i<d.layers.length;i++)x=MM_findObj(n,d.layers[i].document);if(!x&&d.getElementById)x=d.getElementById(n);return x;}
function MM_swapImage(){var i,j=0,x,a=MM_swapImage.arguments;document.MM_sr=new Array;for(i=0;i<(a.length-2);i+=3)
if((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x;if(!x.oSrc)x.oSrc=x.src;x.src=a[i+2];}}