function getIframeLayer(elementId) { iframeId = elementId+"IframeLayer"; if (jQuery('#'+iframeId).attr('id')+'' == 'undefined') { var iframeLayer = document.createElement("iframe"); iframeLayer.setAttribute("class", "overlapIframe"); iframeLayer.setAttribute("id", iframeId); iframeLayer.setAttribute("scrolling", "no"); iframeLayer.setAttribute("frameborder", "0"); iframeLayer.setAttribute("style", "z-index:99999; position:absolute; border:0; top:0; left:0; width:0; height:0; "); iframeLayer.setAttribute("src", "javascript:'';"); first = document.body.firstChild, document.body.insertBefore(iframeLayer, first); } else { var iframeLayer = jQuery(iframeId); return iframeLayer; } return jQuery(iframeLayer); } function relocateIframeLayer(elementId) { updateIframeLayerPosition(elementId); jQuery('#'+elementId).css('display', 'block'); } function updateIframeLayerPosition(elementId){ iframeId = '#'+elementId+"IframeLayer"; if (jQuery(iframeId).attr('id')+'' == 'undefined') { var iframeLayer = getIframeLayer(elementId); } else { var iframeLayer = jQuery(iframeId); } pos = jQuery('#'+elementId).offset(); width = jQuery('#'+elementId).outerWidth(); height = jQuery('#'+elementId).outerHeight(); iframeLayer.css('position', 'absolute'); iframeLayer.css('top', pos.top); iframeLayer.css('left', pos.left); iframeLayer.css('width', width); iframeLayer.css('height', height); iframeLayer.css('z-index', 99999); } function hideIframeLayer(elementId) { iframeId = '#'+elementId+"IframeLayer"; if (jQuery(iframeId).attr('id')+'' != 'undefined') { var iframeLayer = jQuery(iframeId); iframeLayer.css('width', 0); iframeLayer.css('height', 0); iframeLayer.css('z-index', 0); document.getElementById(elementId+"IframeLayer").style.zIndex = 0; } }