function support_$(value) { return document.getElementById(value); }

function support_getViewportDimensions() { var intH = 0, intW = 0; if(self.innerHeight) { intH = window.innerHeight; intW = window.innerWidth; } else { if(document.documentElement && document.documentElement.clientHeight) { intH = document.documentElement.clientHeight; intW = document.documentElement.clientWidth; } else { if(document.body) { intH = document.body.clientHeight; intW=document.body.clientWidth; }}} return { height: parseInt(intH, 10), width: parseInt(intW, 10) };}

function support_json (res) { try { res = eval('('+res.responseText+')'); } catch (err) { res =null; } return res; }

function support_ajax(value, refu) { var xmlHttp = null; if (typeof XMLHttpRequest != 'undefined') { xmlHttp = new XMLHttpRequest(); } if (!xmlHttp) { try { xmlHttp  = new ActiveXObject("Msxml2.XMLHTTP"); } catch(e) { try { xmlHttp  = new ActiveXObject("Microsoft.XMLHTTP"); } catch(e) { xmlHttp  = null; }}} if (xmlHttp) { xmlHttp.open('GET', value, true); xmlHttp.onreadystatechange=function() { if (xmlHttp.readyState == 4) { return refu(support_json(xmlHttp)); }}; xmlHttp.send(null);}}

function support_close_over() { support_$('support_over').style.display = 'none'; }