var strParent = parent.location.toString();var strExtra = "";var strBaseUrl = "";
if(strParent.indexOf("show_")>0){ strBaseUrl = strParent.substr(0, strParent.indexOf("show_")); } else if(strParent.indexOf("body_")>0){ strBaseUrl = strParent.substr(0, strParent.indexOf("body_")); } else if(strParent.indexOf("page.asp")>0){ strBaseUrl = strParent.substr(0, strParent.indexOf("page.asp")); } else if (strParent.indexOf("search_products.asp") > 0) { strBaseUrl = strParent.substr(0, strParent.indexOf("search_products.asp")); }
if(strParent.indexOf("artnr=")>0){ strArtnr = strParent.substr(strParent.indexOf("artnr="), strParent.length);	if(strArtnr.indexOf("&")>0){ strArtnr = strArtnr.substr(0, strArtnr.indexOf("&"));}	strExtra = "?" + strArtnr;	} else if(strParent.indexOf("body_")>0){ /* inget */} else if(strParent.indexOf("page.asp?pge_id")>0){ strExtra = "?" + strParent.substr(strParent.indexOf("pge_id="), strParent.length); } else if(strParent.indexOf("_category")>0 || strParent.indexOf("_cat")>0){ if(strParent.indexOf("category=")>0 || strParent.indexOf("cat_id=")>0){ if(strParent.indexOf("subcategory=")>0 || strParent.indexOf("head_id=")>0){ 
/* både kategori och underkategori */ 
var lngStartPos; var lngLangd; var lngCatId; var lngSctId; var lngEndPos;
lngStartPos = parseInt(strParent.indexOf("category="));
if(lngStartPos == -1) {lngStartPos = parseInt(strParent.indexOf("cat_id=")) + 7;}
else {lngStartPos = parseInt(strParent.indexOf("category=")) + 9;}
lngEndPos = parseInt(strParent.indexOf("&subcategory"));
if(lngEndPos == -1) {lngEndPos = parseInt(strParent.indexOf("&head_id"));}
lngLangd = lngEndPos - lngStartPos;
lngCatId = strParent.substr(lngStartPos, lngLangd); 
lngStartPos = parseInt(strParent.indexOf("subcategory="));
if(lngStartPos == -1) {lngStartPos = parseInt(strParent.indexOf("head_id=")) + 8; }
else {lngStartPos = parseInt(strParent.indexOf("subcategory=")) + 12;}
lngSctId = strParent.substr(lngStartPos, strParent.length); strExtra = "?cat_id=" + lngCatId + "&head_id=" + lngSctId;
} else { /* bara kategori */ var lngCatId = 0; var lngStartPos = 0;
lngStartPos = parseInt(strParent.indexOf("category="));
if(lngStartPos == -1) {lngStartPos = parseInt(strParent.indexOf("cat_id=")) + 7;}
else {lngStartPos = parseInt(strParent.indexOf("category=")) + 9;}
strExtra = "?cat_id=" + strParent.substr(lngStartPos, strParent.length); }}}
else if (strParent.indexOf("search_products.asp") > 0) { var strScript; strScript = strParent.substr(strParent.indexOf("search_products.asp?"), strParent.length); strExtra = strScript.substr(strScript.indexOf("?"), strScript.length); }
if(strBaseUrl.length>0) parent.location.href = strBaseUrl + strExtra;