/*
 * components */
var ATComponents={shielding:function(E,G,I){var D=E,F=G,B=I,J,H,A,C;J=Dom.byBODY();H=document.createElement("div");H.style.width="100%";H.style.height=Dom.byBODY().offsetHeight+"px";H.style.position="absolute";H.style.top="0px";H.style.right="0px";H.style.bottom="0px";H.style.left="0px";H.style.zIndex=B;H.style.background=D;Style.setAlpha(H,F);H.style.display="none";if(isIe()){A=document.createElement("div");A.style.width="100%";A.style.height=Dom.byBODY().offsetHeight+"px";A.style.position="absolute";A.style.background=D;C=document.createElement("iframe");C.style.width="100%";C.style.height=Dom.byBODY().offsetHeight+"px";C.border=0;H.appendChild(A);H.appendChild(C)}J.appendChild(H);this.getThis=function(){return H};this.display=function(A){switch(A){case"block":document.documentElement.scrollTop=0;H.style.display="block";break;case"none":H.style.display="none";break}}}}