function cdg_init_tabcontrol(sTabControlId){var oTabCtrl=document.getElementById(sTabControlId);oTabCtrl.buttons=new Array();oTabCtrl.edges=new Array();oTabCtrl.pages=new Array();for(var i=0;i<oTabCtrl.childNodes.length;i++){var oNode=oTabCtrl.childNodes[i];if(oNode.className=='tabbuttons')cdg_init_tabbuttons(oTabCtrl,oNode);if(oNode.className=='tabpages')cdg_init_tabpages(oTabCtrl,oNode)};if(oTabCtrl.buttons.length!=oTabCtrl.pages.length)alert('Tabcontrol '+sId+': aantal buttons en paginas zijn niet gelijk. ')}
function cdg_init_tabbuttons(oTabCtrl,oTabButtons){for(var i=0;i<oTabButtons.childNodes.length;i++){var oNode=oTabButtons.childNodes[i];if(oNode.className=='active tabbutton'){oTabCtrl.buttons.push(oNode)}else if(oNode.className=='inactive tabbutton'){oTabCtrl.buttons.push(oNode)}else if(oNode.className=='activeedge tabedge'){oTabCtrl.edges.push(oNode)}else if(oNode.className=='inactiveedge tabedge')oTabCtrl.edges.push(oNode)}}
function cdg_init_tabpages(oTabCtrl,oTabPages){for(var i=0;i<oTabPages.childNodes.length;i++){var oNode=oTabPages.childNodes[i];if(oNode.className=='active tabpage'){oTabCtrl.pages.push(oNode)}else if(oNode.className=='inactive tabpage')oTabCtrl.pages.push(oNode)}}
function cdg_tabbutton_onclick(sTabControlId,iIndex){var oTabCtrl=document.getElementById(sTabControlId);if(oTabCtrl.buttons==undefined)cdg_init_tabcontrol(sTabControlId);oButton=oTabCtrl.buttons[iIndex];if(oButton.className!='active tabbutton')for(var i=0;i<oTabCtrl.buttons.length;i++)if(i==iIndex){if(oTabCtrl.edges.length==oTabCtrl.buttons.length)oTabCtrl.edges[i].className='activeedge tabedge';oTabCtrl.buttons[i].className='active tabbutton';oTabCtrl.pages[i].className='tabpage';oTabCtrl.pages[i].style.display='block'}else{if(oTabCtrl.edges.length==oTabCtrl.buttons.length)oTabCtrl.edges[i].className='inactiveedge tabedge';oTabCtrl.buttons[i].className='inactive tabbutton';oTabCtrl.pages[i].className='inactive tabpage';oTabCtrl.pages[i].style.display='none'}}