/* Document Ready Script */ document.ready = function( callback ) { if( document.readyState != 'loading' ) { callback(); } else { document.addEventListener( 'DOMContentLoaded', callback ); } }; /* Automattically resize the iFrame */ var iFrame2C = {}; iFrame2C.rescale = function( iframe, format ) { let formatWidth = parseInt( format.split(':')[0] ); let formatHeight = parseInt( format.split(':')[1] ); let formatRatio = formatHeight / formatWidth; var iframeBounds = iframe.getBoundingClientRect(); let currentWidth = iframeBounds.width; let newHeight = formatRatio * currentWidth; iframe.style.height = Math.round( newHeight ) + "px"; }; /* Resize iFrame */ function iframeResize() { var iframes = document.querySelectorAll( 'iframe[data-scaling="true"]' ); if( !!iframes.length ) { for( var i=0; i < iframes.length; i++ ) { let iframe = iframes[ i ]; let videoFormat = '16:9'; let is_data_format_existing = typeof iframe.getAttribute( 'data-format' ) !== "undefined"; if( is_data_format_existing ) { let is_data_format_valid = iframe.getAttribute( 'data-format' ).includes( ':' ); if( is_data_format_valid ) { videoFormat = iframe.getAttribute( 'data-format' ); } } iFrame2C.rescale( iframe, videoFormat ); } } } /* Event Listener on Resize for iFrame-Resizing */ document.ready( function() { window.addEventListener( "resize", function() { iframeResize(); }); iframeResize(); }); /* Source-URLs */ /* data_type will be the value of the attribute "data-type" on element "video_trigger" data_souce will be the value of the attribute "data-source" on element "video_trigger", which will be replaced on "{SOURCE}" */ function get_source_url( data_type ) { switch( data_type ) { case "youtube": return "https://www.youtube-nocookie.com/embed/{SOURCE}?rel=0&controls=0&showinfo=0&autoplay=1&mute=1"; case "google-maps": return "https://www.google.com/maps/embed?pb={SOURCE}"; case "open-street-maps": return "https://www.openstreetmap.org/export/embed.html?bbox=9.966723918914797%2C53.53553810876703%2C10.008780956268312%2C53.54999732703292&layer=mapnik&marker=53.54276833527103%2C9.987752437591553"; /* Add your own sources here */ /* Always set "{SOURCE}" as placeholder for individual data from attribute "data-source" */ default: break; } } /* 2-Click Solution */ document.ready( function() { var video_wrapper = document.querySelectorAll( '.video_wrapper' ); if( !!video_wrapper.length ) { for( var i=0; i < video_wrapper.length; i++ ) { let _wrapper = video_wrapper[ i ]; var video_triggers = _wrapper.querySelectorAll( '.video_trigger' ); if( !!video_triggers.length ) { for( var l=0; l < video_triggers.length; l++ ) { var video_trigger = video_triggers[ l ]; var accept_buttons = video_trigger.querySelectorAll( 'input[type="button"]' ); if( !!accept_buttons.length ) { for( var j=0; j < accept_buttons.length; j++ ) { var accept_button = accept_buttons[ j ]; accept_button.addEventListener( "click", function() { var _trigger = this.parentElement; var data_type = _trigger.getAttribute( "data-type" ); var source = ""; _trigger.style.display = "none"; source = get_source_url( data_type ); var data_source = _trigger.getAttribute( 'data-source' ); source = source.replace( "{SOURCE}", data_source ); var video_layers = _trigger.parentElement.querySelectorAll( ".video_layer" ); if( !!video_layers.length ) { for( var k=0; k < video_layers.length; k++ ) { var video_layer = video_layers[ k ]; video_layer.style.display = "block"; video_layer.querySelector( "iframe" ).setAttribute( "src", source ); } } _wrapper.style.backgroundImage = ""; /*_wrapper.style.height = "auto";*/ var timeout = 100; // ms setTimeout( function() { iframeResize(); }, timeout ); }); } } } } }; } });
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Research August 2026
