//) * 2. On Submission call gcStoreFormData(XXX) where XXX is the form's name * * Mods: CPR 20070215 - Added URL parser useful full pulling args from requests * ****************************************************************/ /******* CONSTANTS *******/ var gcLHSData; var gcRHSData; /**************************************************************** * * Function: gcBackFill * * Purpose: Called on onLoad in BODY tag - to see if cookie is set and if so * backfill any fields in the form from the cookie values * * Params: The form name, e.g. "genericform" * * Returns: Nothing * *****************************************************************/ function gcBackFill(formname) { var cookieData = GetCookie("gcFormData"); if (cookieData != null) { var gcCookieData = cookieData.split("###"); if (gcCookieData.length) { gcLHSData = gcCookieData[0].split(":::"); gcRHSData = gcCookieData[1].split(":::"); var formRef = document.forms[formname]; for (var i = 0; i < formRef.elements.length; i++) { var xel = formRef.elements[i]; if (xel.type == "text" || xel.type == "checkbox" || xel.type == "textarea" || xel.type == "select-one" || xel.type == "radio") { for (j = 0; j < gcLHSData.length; j++) { var theName = CleanName(gcLHSData[j].toLowerCase()); // Remove punctuation etc if (theName == xel.name.toLowerCase()) { if (xel.type == "text" || xel.type == "textarea") { xel.value = gcRHSData[j]; } else if (xel.type == "checkbox" && (gcRHSData[j] == "checked" || gcRHSData[j] == "1" || gcRHSData[j] == "on" || gcRHSData[j] == "yes" || gcRHSData[j] == "Yes")) { xel.checked = true; } else if (xel.type == "select-one") { xel.selectedIndex = gcRHSData[j]; } else if (xel.type == "radio") { if (gcRHSData[j] == xel.value) { xel.checked = true; } } } } } else { if (xel.type != "hidden" && xel.type != "submit" && xel.type != "select-multiple") { alert("gcBackFill: Invalid question type - not handled - " + xel.type); break; } } } } } return true; } /**************************************************************** * * Function: gcStoreFormData * * Purpose: Called on form submission to store form data in cookie * NOTE: We merge form results with existing cookie values (to not lose data from other forms) * * Params: The form name, e.g. "genericform" * * Returns: Nothing * *****************************************************************/ function gcStoreFormData(formname) { var LHS = ""; var RHS = ""; var formRef = document.forms[formname]; for (j = 0; j < formRef.elements.length; j++) // Add all form elements directly into Cookie String { var xel = formRef.elements[j]; // Get form type and check it's one to save! if (xel.type == "text" || xel.type == "checkbox" || xel.type == "textarea" || xel.type == "select-one" || xel.type == "radio") { var validatedName = CleanName(xel.name.toLowerCase()); LHS = LHS + validatedName + ":::"; if (xel.type == "text" || xel.type == "textarea") { RHS = RHS + xel.value; } else if (xel.type == "checkbox" && xel.checked) { RHS = RHS + "checked"; } else if (xel.type == "select-one") { RHS = RHS + xel.selectedIndex; } else if (xel.type == "radio") { if (xel.checked) { RHS = RHS + xel.value; } } RHS = RHS + ":::"; } else { if (xel.type != "hidden" && xel.type != "submit" && xel.type != "select-multiple") { alert("gcStoreFormData: Invalid question type - not handled - " + xel.type); break; } } } if (gcLHSData != null) { for (j = 0; j < gcLHSData.length; j++) { var found = false; for (i = 0; i < formRef.elements.length; i++) // and if not just updated by form values then copy old values { var xel = formRef.elements[i]; if (xel.name.toLowerCase() == gcLHSData[j].toLowerCase()) { found = true; } } if (!found) { LHS = LHS + gcLHSData[j] + ":::"; RHS = RHS + gcRHSData[j] + ":::"; } } } LHS = LHS.substring(0, LHS.length - 3); // Truncate trailing colons RHS = RHS.substring(0, RHS.length - 3); var gcCookieSet = LHS + "###" + RHS; SetCookie("gcFormData", gcCookieSet, 1000); return true; } /**************************************************************** * * Function: CleanName * * Purpose: Remove punctuation characters etc etc from the single name passed * * Params: The field name from the generic form (may include punctuation) * * Returns: The cleaned name * *****************************************************************/ function CleanName(theName) { var output = ''; var valid="123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_-"; for (var i = 0; i < theName.length; i++) { if (valid.indexOf(theName.charAt(i)) != -1) { output += theName.charAt(i); } } return output; } /****************************************************************/ function GetCookie(name) { var arg = name + "="; var alen = arg.length; var clen = document.cookie.length; var i = 0; while (i < clen) { var j = i + alen; if (document.cookie.substring(i, j) == arg) return getCookieVal (j); i = document.cookie.indexOf(" ", i) + 1; if (i == 0) break; } return null; } /****************************************************************/ function getCookieVal(offset) { var endstr = document.cookie.indexOf (";", offset); if (endstr == -1) endstr = document.cookie.length; return unescape(document.cookie.substring(offset, endstr)); } /****************************************************************/ function SetCookie(name, value) { if (value == '') return; var argv = SetCookie.arguments; var argc = SetCookie.arguments.length; var expires = (argc > 2) ? argv[2] : null; var path = (argc > 3) ? argv[3] : null; var domain = (argc > 4) ? argv[4] : null; var secure = (argc > 5) ? argv[5] : false; var expDays = expires; var exp = new Date(); exp.setTime(exp.getTime() + (expDays*24*60*60*1000)); document.cookie = name + "=" + escape (value) + ((expires == null) ? "" : ("; expires=" + exp.toGMTString())) + ((path == null) ? "" : ("; path=" + path)) + ((domain == null) ? "" : ("; domain=" + domain)) + ((secure == true) ? "; secure" : ""); } /****************************************************************/ function DeleteCookie (name) { var exp = new Date(); exp.setTime (exp.getTime() - 1); var cval = GetCookie (name); document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString(); } /****************************************************************/ /****************************************************************/ // getLocationArgs - Get the string that follows the "?" in the window's location. /****************************************************************/ var GETDATA = new Array(); function getLocationArgs(sGet) { if (sGet) // if has a value... { sGet = sGet.substr(1); // Drop the leading "?" // Generate a string array of the name value pairs. var sNVPairs = sGet.split("&"); // Each array element will have the form "foo=bar" for (var i = 0; i < sNVPairs.length; i++) // Now, for each name-value pair, we need to extract the name and value. { var sNV = sNVPairs[i].split("="); // So, sNVPairs[i] contains the current element... Split it at the equals sign. var sName = sNV[0]; // Assign the pair to the GETDATA array. var sValue = sNV[1]; GETDATA[sName] = sValue; } } } //]]>