Improve grammar in some comments.

third_party/WebKit/LayoutTests/svg/carto.net/resources/selectionList.js

 /*
 Scripts to create interactive selectionLists/Dropdown boxes in SVG using ECMA script
 Copyright (C) <2006>  <Andreas Neumann>
 Version 1.4, 2006-07-18
 neumann@karto.baug.ethz.ch
 http://www.carto.net/
 http://www.carto.net/neumann/
 
 Credits:
 * Initial code was taken from Michel Hirtzler --> pilat.free.fr (thanks!)
@@ skipping 130 matching lines @@
         this.scrollBar = undefined; //later a reference to the scrollbar rectangle
     
         //status variables
         this.activeSelection = this.preSelect; //holds currently selected index value
         this.listOpen = false; //status folded=false, open=true - previously been sLselectionVisible
         this.curLowerIndex = this.preSelect; //this value is adapted if the user moves scrollbar
         this.scrollStep = 0; //y-value to go for one element
         this.scrollerHeight = 0; //height of dragable scroller bar
         this.scrollActive = false; //determines if scrolling per up/down button is active
         this.panY = false; //stores the y value of event
-        this.scrollCumulus = 0; //if value is less then a scrollstep we need to accumulate scroll values
+        this.scrollCumulus = 0; //if value is less than a scrollstep we need to accumulate scroll values
         this.scrollDir = ""; //later holds "up" and "down"
         this.exists = true; //true means it exists, gets value false if method "removeSelectionList" is called
         this.pressedKeys = ""; //stores key events (pressed char values)
         this.keyTimer = undefined; //timer for resetting character strings after a given time period
     }
     else {
         createSelbox = false;
         alert("Error ("+id+"): wrong nr of arguments! You have to pass over "+nrArguments+" parameters.");
     }
     if (createSelbox) {
@@ skipping 894 matching lines @@
     var smallRectRight = document.getElementById("selPulldown_"+this.id);
     smallRectRight.setAttributeNS(null,"x",this.xOffset + this.width - this.cellHeight);
     //reposition triangle
     var triangle = document.getElementById("selTriangle_"+this.id);
     var myTrianglePath = "M"+(this.xOffset + this.width - 3 * this.triangleFourth)+" "+(this.yOffset + this.triangleFourth)+" L"+(this.xOffset + this.width - this.triangleFourth)+" "+(this.yOffset + this.triangleFourth)+" L"+(this.xOffset + this.width - 2 * this.triangleFourth)+" "+(this.yOffset + 3 * this.triangleFourth)+" Z";
     triangle.setAttributeNS(null,"d",myTrianglePath);    
     //change sizes of rectbox below and above
     this.rectBelowBox.setAttributeNS(null,"width",this.width - this.cellHeight);
     this.rectAboveBox.setAttributeNS(null,"width",this.width - this.cellHeight);
 }