/* JScript library. */ // Declare global variable for email updates form. var strEmail = "" // Determine browser. var clientbrowser = "ie"; if(navigator.appName.indexOf("Netscape") >= 0) { clientbrowser = "ns"; } // When document has completed loading. function document_loaded() { optimise(); preloadImages(); } // Optimise browser-sensitive page elements. function optimise() { // optimise quicksearch if (clientbrowser == "ie") { document.forms.quicksearch.searchstring.size = "14"; } } // GENERIC IMAGE MANAGEMENT FOR HOME IMAGES. // Preload image function newImage(arg) { if (document.images) { objImg = new Image(); objImg.src = arg; return objImg; } } // Preload images. var preloadFlag = false; function preloadImages() { if (document.images) { // 1. home_left_metaregister_over = new Image(0, 0); // 2. home_left_metaregister_over.src = "/images/home_left_metaregister_over.gif"; home_left_metaregister_over = newImage("/images/home_left_metaregister_over.gif"); home_left_submit_to_mrct_over = newImage("/images/home_left_submit_to_mrct_over.gif"); home_left_isrctn_over = newImage("/images/home_left_isrctn_over.gif"); home_left_links_over = newImage("/images/home_left_links_over.gif"); home_left_faqs_over = newImage("/images/home_left_faqs_over.gif"); home_left_languages_over = newImage("/images/home_left_languages_over.gif"); home_left_advisory_group_over = newImage("/images/home_left_advisory_group_over.gif"); preloadFlag = true; } } // Declare and define variables. var strImgPath = "/images/"; var strOver = "_over"; var strSuffix = ".gif"; // Swap image by source. function image_rollover(objImg) { // onMouseOver="JavaScript:image_rollover(this); if (document.images && (preloadFlag == true)) { objImg.src = strImgPath + objImg.name + strOver + strSuffix; } } function image_rollout(objImg) { // onMouseOut="JavaScript:image_rollout(this); if (document.images && (preloadFlag == true)) { objImg.src = strImgPath + objImg.name + strSuffix; } } // Swap image by image name. function changeImages(objImg, strAction) { // onMouseOver="JavaScript:image_rollover(this.name, '_over'); if ((document.images) && (preloadFlag == true)) { document[objImg].src = strImgPath + objImg + strAction + strSuffix; } } // Pop-up window. function PopUpWin(strURL) { /* Open incoming URL in popup win. */ var PopUpWin = window.open("http://" + document.domain + "/" + strURL,"all","width=550,height=480,top=0,left=0,fullscreen=0,menubar=0,toolbar=0,location=0,directories=0,status=0,resizable=0,scrollbars=yes,name=PopUpWin",false); } // Pop-up window. function PopUpWinGloss(strURL) { /* Open incoming URL in popup win. */ var PopUpWinGloss = window.open("http://" + document.domain + "/" + strURL,"all","width=557,height=280,top=0,left=0,fullscreen=0,menubar=0,toolbar=0,location=0,directories=0,status=0,resizable=0,scrollbars=yes,name=PopUpWin",false); } // Quicksearch form submission routine function DoQuickSearch() { /* Choose the appropriate form processing target page, then submit the form */ with(document.forms.quicksearch) { if (searchtype[0].checked) { ST.value = searchstring.value; action = '/isrctn/search.asp'; } else if (searchtype[1].checked) { ST.value = searchstring.value; action = '/mrct/search.asp'; } else { action = '/search/search.asp'; } submit(); } return true; } function EnterSubmit(event) { var code = 0; if (clientbrowser == "hjk") { code = event.which; } else { code = event.keyCode; } if (code == 13) { DoQuickSearch(); } else { return true; } } // ISRCTN quicksearch form submission procedures. function ValidateIsrctnSearch() { DoIsrctnQuickSearch(); var fldIsrctn = document.forms.quicksearch.isrctn var strIsrctn = "" + fldIsrctn.value; if (strIsrctn == "") { alert("Please enter an ISRCTN number first."); fldIsrctn.focus(); return false; } else if (isNaN(strIsrctn)) { alert("Sorry but '" + strIsrctn + "' is not numeric."); fldIsrctn.focus(); return false; } else if ((strIsrctn.length < 8) + (strIsrctn.length > 8)) { alert("Sorry, all ISRCTNs must be 8 digits long."); fldIsrctn.focus(); return false; } else { return true; } } function IsrctnSearch(event) { var code = 0; if (clientbrowser == "hjk") { code = event.which; } else { code = event.keyCode; } if (code == 13) { if (ValidateIsrctnSearch()) { DoIsrctnQuickSearch(); } else { return false; } } else { return true; } } function DoIsrctnQuickSearch() { /* Set the form action attribute, then submit. */ with(document.forms.quicksearch) { action = '/isrctn/trial/|/0/' + isrctn.value + '.html'; } return true; } var windowHandle = null; function OpenPopUpWin(vURL) { /* Open incoming URL in popup win. */ if (windowHandle != null) { if(!windowHandle.closed) { windowHandle.focus(); } else { windowHandle = null; windowHandle = window.open(vURL,"all","width=370,height=220,top=0,left=0,fullscreen=0,menubar=0,toolbar=0,location=0,directories=0,status=0,resizable=0,scrollbars=yes,name=windowHandle",false); } } else { windowHandle = window.open(vURL,"all","width=370,height=220,top=0,left=0,fullscreen=0,menubar=0,toolbar=0,location=0,directories=0,status=0,resizable=0,scrollbars=yes,name=windowHandle",false); } return true; } function OpenPopUpHelpWin(vURL, vAnchor) { /* Open incoming URL in popup win. */ var openWindow = true; if (windowHandle != null) { if(!windowHandle.closed) { openWindow = false; windowHandle.focus(); } else { windowHandle = null; } } if (openWindow) { windowHandle = window.open(vURL,"all","width=600,height=240,top=120,left=40,fullscreen=0,menubar=0,toolbar=0,location=0,directories=0,status=0,resizable=0,scrollbars=yes,name=windowHandle",false); } return true; } // Window status. window.status="Current Controlled Trials";