Personal JS class Library Mycool

//JavaScript Document Sunbye 1.0    //getElementById    //function Start    var$=function(_id) {returndocument.getElementById (_id)}; //function End    //function Start    functionByclass (classname) {if(Document.getelementsbyclassname) {//to determine if Firefox is a browser, you can also use document.all to determine whether IE            returndocument.getelementsbyclassname (classname); }Else{            varTags=document.getelementsbytagname ("*"); varTagslength=tags.length; vargettags=[];  for(vari=0;i<tagslength;i++){                if(tags[i].classname==classname)                {Gettags.push (tags[i]); }            }            returnGetTags; }    }    //function End    //function Start    functionInputsearch (tagid,prompttxt,colorfocus,colorblur) {TagID=document.getElementById (TagID); Tagid.value=Prompttxt; Tagid.style.color=Colorblur; Tagid.onfocus=function(){            if( This. value==prompttxt) {                 This. value= "";  This. style.color=Colorfocus;        }        }; Tagid.onblur=function(){            if( This. value== ""){                 This. value=Prompttxt; Tagid.style.color=Colorblur; }Else{                 This. style.color=Colorfocus;    }        }; }    //function End    //function Start    functionFadeOut (ele,speed) {varele=document.getElementById (ele); varopacitynum=ele.style.opacity| | 1; varSpeed= (speed/100) | | 10;functionOpacityoff () {if(opacitynum>0) {ele.style.opacity=opacitynum= (opacitynum-0.01). toFixed (2); }Else{clearinterval (OPACITYT); }        }        varopacityt=setinterval (opacityoff,speed); }    //function End    //function Start    functionFadeIn (ele,speed) {varele=document.getElementById (ele); varopacitynum=ele.style.opacity| | 0; varSpeed= (speed/100) | | 10;functionOpacityadd () {if(opacitynum<1) {ele.style.opacity=opacitynum= (parsefloat (opacitynum) +0.01). ToFixed (2); }Else{clearinterval (OPACITYT); }        }        varopacityt=setinterval (opacityadd,speed); }    //function End    //function Start    functionHasclass (obj,cls) {returnObj.className.match (NewRegExp (' (\\s|^) ' + CLS + ' (\\s|$) ')); }     functionaddclass (obj,cls) {if(! This. Hasclass (OBJ,CLS)) Obj.classname + = "" +CLS; }      functionRemoveclass (obj,cls) {if(Hasclass (obj,cls)) {varreg=NewRegExp (' (\\s|^) ' +cls+ ' (\\s|$) '); Obj.classname=obj.classname.replace (Reg, "); }      }      //function End

Personal JS class Library Mycool