function ts(a,b){if(!document.getElementById)return;var c=document,d=null,e=startSz,f,g,h;e+=b;if(e<0)e=0;if(e>6)e=6;startSz=e;if(!(d=c.getElementById(a)))d=c.getElementsByTagName(a)[0];d.style.fontSize=szs[e];for(f=0;f<tgs.length;f++){h=d.getElementsByTagName(tgs[f]);for(g=0;g<h.length;g++)h[g].style.fontSize=szs[e]}}var tgs=new Array("div","td","tr");var szs=new Array("xx-small","x-small","small","medium","large","x-large","xx-large");var startSz=2