function Is(){var agent=navigator.userAgent.toLowerCase();this.major=parseInt(navigator.appVersion);this.minor=parseFloat(navigator.appVersion);this.ns=((agent.indexOf('mozilla')!=-1)&&(agent.indexOf('spoofer')==-1)&&(agent.indexOf('compatible')==-1)&&(agent.indexOf('opera')==-1)&&(agent.indexOf('webtv')==-1));this.ns4=(this.ns&&(this.major==4));this.ns6=(this.ns&&(this.major>=5));this.ie=(agent.indexOf("msie")!=-1);this.ie3=(this.ie&&(this.major<4));this.ie4=(this.ie&&(this.major>=4));this.ie5=(this.ie&&(this.major==4)&&(agent.indexOf("msie 5.0")!=-1));this.ieX=(this.ie&&!this.ie3&&!this.ie4);}
var is=new Is();function ajusteWidth(id){if(is.ie5||is.ns6){this.obj=document.getElementById(id).style;this.obj.left=0;this.obj.marginLeft=0;this.obj.visibility="visible";return this.obj;}else if(is.ie4){this.obj=document.all[id].style;this.obj.left=0;this.obj.marginLeft=0;this.obj.visibility="visible";return this.obj;}else if(is.ns4){this.obj=document.layers[id];this.obj.left=0;this.obj.marginLeft=0;this.obj.visibility="show";return this.obj;}}
function ajusteHeight(id){if(is.ie5||is.ns6){this.obj=document.getElementById(id).style;this.obj.top=0;this.obj.marginTop=0;this.obj.visibility="visible";return this.obj;}else if(is.ie4){this.obj=document.all[id].style;this.obj.top=0;this.obj.marginTop=0;this.obj.visibility="visible";return this.obj;}else if(is.ns4){this.obj=document.layers[id];this.obj.top=0;this.obj.marginTop=0;this.obj.visibility="show";return this.obj;}}
function retablirWidth(id){if(is.ie5||is.ns6){this.obj=document.getElementById(id).style;this.obj.left="50%";this.obj.marginLeft="-"+parseInt(documentWidth/2)+"px";this.obj.visibility="visible";return this.obj;}else if(is.ie4){this.obj=document.all[id].style;this.obj.left="50%";this.obj.marginLeft="-"+parseInt(documentWidth/2)+"px";this.obj.visibility="visible";return this.obj;}else if(is.ns4){this.obj=document.layers[id];this.obj.left="50%";this.obj.marginLeft="-"+parseInt(documentWidth/2)+"px";this.obj.visibility="show";return this.obj;}}
function retablirHeight(id){if(is.ie5||is.ns6){this.obj=document.getElementById(id).style;this.obj.top="50%";this.obj.marginTop="-"+parseInt(documentHeight/2)+"px";this.obj.visibility="visible";return this.obj;}else if(is.ie4){this.obj=document.all[id].style;this.obj.top="50%";this.obj.marginTop="-"+parseInt(documentHeight/2)+"px";this.obj.visibility="visible";return this.obj;}else if(is.ns4){this.obj=document.layers[id];this.obj.top="50%";this.obj.marginTop="-"+parseInt(documentHeight/2)+"px";this.obj.visibility="show";return this.obj;}}
function resizing(){if(centrageX==1){if(document.body.clientWidth<documentWidth)ajusteWidth("container");else retablirWidth("container");}
if(centrageY==1){if(document.body.clientHeight<documentHeight)ajusteHeight("container");else retablirHeight("container");}}