/* Functions shared between todd and webforms. Should not have dependencies on any todd/webforms libraries (including internals.js/api.js) */ /******************************************************************** XMLHttpRequest */ /* Create a request object (aka ajax) ADDME: Probably needs to deal with multiple versions of the MSXML components */ function toddCreateRequestObject() { var browser = navigator.appName; if(browser == "Microsoft Internet Explorer") { var ro = new ActiveXObject("Microsoft.XMLHTTP"); //var ro = new ActiveXObject("MSXML2.XMLHTTP"); } else { var ro = new XMLHttpRequest(); } return ro; } // Prevent event from bubbling up function toddDontPropagateEvent(theEvent) { if(theEvent.stopPropagation) { if (theEvent.cancelable) theEvent.preventDefault(); theEvent.stopPropagation(); } else { theEvent.returnValue = false; theEvent.cancelBubble = true; if(theEvent.keyCode) theEvent.keyCode = 0; } return false; } /** @short returns the size of the visual area of window @return object with width and height */ function toddGetViewPortDimensions() { // all except Explorer if (window.innerHeight) return { width: window.innerWidth , height: window.innerHeight }; // Explorer 6 Strict Mode if (document.documentElement && document.documentElement.clientHeight) return { width: document.documentElement.clientWidth , height: document.documentElement.clientHeight }; return { width: document.body.clientWidth , height: document.body.clientHeight }; } /** @short returns the full size of the document @return size of the document */ function toddGetPageDimensions() { var htmlwidth = document.documentElement.scrollWidth; var htmlheight = document.documentElement.scrollHeight; // IE6-QuirksMode and SF (all versions? tested with 3.2.1) give page height in // All other browsers give the size in documentElement () var bodywidth = document.body.scrollWidth; var bodyheight = document.body.scrollHeight; // return largest values return { width: htmlwidth > bodywidth ? htmlwidth : bodywidth , height: htmlheight > bodyheight ? htmlheight : bodyheight }; } /** @short returns the absolute position an element in would need to have the same position as the given element @param obj reference to element @return {left:X,top:Y} */ function toddGetBodyPos(obj) { // getBoundingClientRect is supported by IE5+, FF3+, OP9.50+, SF4+ if (obj.getBoundingClientRect) { var bounds = obj.getBoundingClientRect(); var xscroll = document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft; var yscroll = document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop; return { left: bounds.left + xscroll - document.documentElement.clientLeft - document.body.clientLeft , top: bounds.top + yscroll - document.documentElement.clientTop - document.body.clientTop }; } // getBoxObjectFor works in FF2, deprecated in FF3/3.5, removed in FF3.6 // Only use it for Firefox, since other Gecko based browsers may not correctly implement getBoxObjectFor if (toddUserAgentIsFirefox && document.getBoxObjectFor) { var box = document.getBoxObjectFor(obj); var vpBox = document.getBoxObjectFor(document.documentElement); return { left: box.screenX - vpBox.screenX , top: box.screenY - vpBox.screenY }; } // the oldskool method of getting positions // Safari <4 & Opera 9.25 will use this method var elemx = obj.offsetLeft; var elemy = obj.offsetTop; var parent = obj.offsetParent; while (parent) { // add offset to content part of our offsetParent elemx += parent.offsetLeft; elemy += parent.offsetTop; // Quirks: // - Opera already adds clientTop/Left to offsetTop/Left // - Firefox <3 (Gecko <1.9) doesn't support clientTop/Left if (!toddClientTopIsAddedToOffsetTop && typeof parent.clientLeft != 'undefined') { // also add the edge size of the offsetParent elemx += parent.clientLeft; elemy += parent.clientTop; } // subtract the amount the offsetParent is scrolled, except if it's the scrollposition of the page if (parent != document.body && parent != document.documentElement) { elemx -= parent.scrollLeft; elemy -= parent.scrollTop; } parent = parent.offsetParent; } return { left: elemx , top: elemy }; } // deprecated function toddGetObjectPosX(obj) { return toddGetBodyPos(obj).left; } // deprecated function toddGetObjectPosY(obj) { return toddGetBodyPos(obj).top; } // deprecated function toddGetObjectScreenX(obj) { return toddGetBodyPos(obj).left; } // deprecated function toddGetObjectScreenY(obj) { return toddGetBodyPos(obj).top; } if(typeof toddMarkScriptComplete != 'undefined') toddMarkScriptComplete("base.js");