/*
Copyright (c) 2009, Yahoo! Inc. All rights reserved.
Code licensed under the BSD License:
http://developer.yahoo.net/yui/license.txt
version: 3.0.0b1
build: 1163
*/
YUI.add("dom-screen",function(A){(function(F){var D="documentElement",O="compatMode",M="position",C="fixed",K="relative",G="left",H="top",I="BackCompat",N="medium",E="borderLeftWidth",B="borderTopWidth",P="getBoundingClientRect",J="getComputedStyle",L=/^t(?:able|d|h)$/i;F.mix(F.DOM,{winHeight:function(R){var Q=F.DOM._getWinSize(R).height;return Q;},winWidth:function(R){var Q=F.DOM._getWinSize(R).width;return Q;},docHeight:function(R){var Q=F.DOM._getDocSize(R).height;return Math.max(Q,F.DOM._getWinSize(R).height);},docWidth:function(R){var Q=F.DOM._getDocSize(R).width;return Math.max(Q,F.DOM._getWinSize(R).width);},docScrollX:function(Q){var R=F.DOM._getDoc(Q);return Math.max(R[D].scrollLeft,R.body.scrollLeft);},docScrollY:function(Q){var R=F.DOM._getDoc(Q);return Math.max(R[D].scrollTop,R.body.scrollTop);},getXY:function(){if(document[D][P]){return function(T){var a=null,U,R,V,Y,X,Q,S,W,Z;if(T){if(F.DOM.inDoc(T)){U=F.DOM.docScrollX(T);R=F.DOM.docScrollY(T);V=T[P]();Z=F.DOM._getDoc(T);a=[V.left,V.top];if(F.UA.ie){Y=2;X=2;W=Z[O];Q=F.DOM[J](Z[D],E);S=F.DOM[J](Z[D],B);if(F.UA.ie===6){if(W!==I){Y=0;X=0;}}if((W==I)){if(Q!==N){Y=parseInt(Q,10);}if(S!==N){X=parseInt(S,10);}}a[0]-=Y;a[1]-=X;}if((R||U)){a[0]+=U;a[1]+=R;}}else{a=F.DOM._getOffset(T);}}return a;};}else{return function(R){var T=null,Q,V,S,U;if(R){if(F.DOM.inDoc(R)){T=[R.offsetLeft,R.offsetTop];Q=R;V=((F.UA.gecko||F.UA.webkit>519)?true:false);while((Q=Q.offsetParent)){T[0]+=Q.offsetLeft;T[1]+=Q.offsetTop;if(V){T=F.DOM._calcBorders(Q,T);}}if(F.DOM.getStyle(R,M)!=C){Q=R;while((Q=Q.parentNode)){S=Q.scrollTop;U=Q.scrollLeft;if(F.UA.gecko&&(F.DOM.getStyle(Q,"overflow")!=="visible")){T=F.DOM._calcBorders(Q,T);}if(S||U){T[0]-=U;T[1]-=S;}}T[0]+=F.DOM.docScrollX(R);T[1]+=F.DOM.docScrollY(R);}else{T[0]+=F.DOM.docScrollX(R);T[1]+=F.DOM.docScrollY(R);}}else{T=F.DOM._getOffset(R);}}return T;};}}(),_getOffset:function(Q){var S,R=null;if(Q){S=F.DOM.getStyle(Q,M);R=[parseInt(F.DOM[J](Q,G),10),parseInt(F.DOM[J](Q,H),10)];if(isNaN(R[0])){R[0]=parseInt(F.DOM.getStyle(Q,G),10);if(isNaN(R[0])){R[0]=(S===K)?0:Q.offsetLeft||0;}}if(isNaN(R[1])){R[1]=parseInt(F.DOM.getStyle(Q,H),10);if(isNaN(R[1])){R[1]=(S===K)?0:Q.offsetTop||0;}}}return R;},getX:function(Q){return F.DOM.getXY(Q)[0];},getY:function(Q){return F.DOM.getXY(Q)[1];},setXY:function(R,U,X){var S=F.DOM.setStyle,W,V,Q,T;if(R&&U){W=F.DOM.getStyle(R,M);V=F.DOM._getOffset(R);if(W=="static"){W=K;S(R,M,W);}T=F.DOM.getXY(R);if(U[0]!==null){S(R,G,U[0]-T[0]+V[0]+"px");}if(U[1]!==null){S(R,H,U[1]-T[1]+V[1]+"px");}if(!X){Q=F.DOM.getXY(R);if(Q[0]!==U[0]||Q[1]!==U[1]){F.DOM.setXY(R,U,true);}}}else{}},setX:function(R,Q){return F.DOM.setXY(R,[Q,null]);},setY:function(Q,R){return F.DOM.setXY(Q,[null,R]);},_calcBorders:function(S,T){var R=parseInt(F.DOM[J](S,B),10)||0,Q=parseInt(F.DOM[J](S,E),10)||0;if(F.UA.gecko){if(L.test(S.tagName)){R=0;Q=0;}}T[0]+=Q;T[1]+=R;return T;},_getWinSize:function(T){var V=F.DOM._getDoc(),U=V.defaultView||V.parentWindow,W=V[O],S=U.innerHeight,R=U.innerWidth,Q=V[D];if(W&&!F.UA.opera){if(W!="CSS1Compat"){Q=V.body;}S=Q.clientHeight;R=Q.clientWidth;}return{height:S,width:R};},_getDocSize:function(R){var S=F.DOM._getDoc(),Q=S[D];if(S[O]!="CSS1Compat"){Q=S.body;}return{height:Q.scrollHeight,width:Q.scrollWidth};}});})(A);(function(G){var D="top",C="right",H="bottom",B="left",F=function(L,K){var N=Math.max(L[D],K[D]),O=Math.min(L[C],K[C]),I=Math.min(L[H],K[H]),J=Math.max(L[B],K[B]),M={};M[D]=N;M[C]=O;M[H]=I;M[B]=J;return M;},E=G.DOM;G.mix(E,{region:function(J){var K=E.getXY(J),I=false;if(J&&K){I=E._getRegion(K[1],K[0]+J.offsetWidth,K[1]+J.offsetHeight,K[0]);}return I;},intersect:function(K,I,M){var J=M||E.region(K),L={},O=I,N;if(O.tagName){L=E.region(O);}else{if(G.Lang.isObject(I)){L=I;}else{return false;}}N=F(L,J);return{top:N[D],right:N[C],bottom:N[H],left:N[B],area:((N[H]-N[D])*(N[C]-N[B])),yoff:((N[H]-N[D])),xoff:(N[C]-N[B]),inRegion:E.inRegion(K,I,false,M)};},inRegion:function(L,I,J,N){var M={},K=N||E.region(L),P=I,O;if(P.tagName){M=E.region(P);}else{if(G.Lang.isObject(I)){M=I;}else{return false;}}if(J){return(K[B]>=M[B]&&K[C]<=M[C]&&K[D]>=M[D]&&K[H]<=M[H]);}else{O=F(M,K);if(O[H]>=O[D]&&O[C]>=O[B]){return true;}else{return false;}}},inViewportRegion:function(J,I,K){return E.inRegion(J,E.viewportRegion(J),I,K);},_getRegion:function(K,L,I,J){var M={};M[D]=M[1]=K;M[B]=M[0]=J;M[H]=I;M[C]=L;M.width=M[C]-M[B];M.height=M[H]-M[D];return M;},viewportRegion:function(J){J=J||G.config.doc.documentElement;var I=false,L,K;if(J){L=E.docScrollX(J);K=E.docScrollY(J);I=E._getRegion(K,E.winWidth(J)+L,K+E.winHeight(J),L);}return I;}});})(A);},"3.0.0b1",{requires:["dom-base","dom-style"],skinnable:false});