mouseDown

Emulates pressing of the left mouse button in the current coordinates of the cursor on the page.

mouseDown = function();

1. loadURI('google.ru');
   //Obtain a random element with tag "input"
   var element = getElement('input');
   //Emulate mouse movement to a position (550,5) of element
   moveToElement(element,0,0,550,5);
   //Emulate  the pressing of the  left mouse button
   mouseDown();
   //Emulate the releasing of the left mouse button
   mouseUp();