function createRef(instance,method){return function(){return method.apply(instance,arguments);};}
function querySt(ji){hu=window.location.search.substring(1);gy=hu.split("&");for(i=0;i<gy.length;i++){ft=gy[i].split("=");if(ft[0]==ji){return ft[1];}}
return null;}
function scale(oldMin,oldMax,newMin,newMax,value){if(oldMax-oldMin==0)
return newMax;return(((value-oldMin)/(oldMax-oldMin))*(newMax-newMin))+newMin;}