if (document.images) {
  var why_off = new Image();
  var why_on = new Image();

  var patented_off = new Image();
  var patented_on = new Image();

  var resistance_off = new Image();
  var resistance_on = new Image();
 
  var seminar_off = new Image();
  var seminar_on = new Image();

  var faq_off = new Image();
  var faq_on = new Image();

  var arrow_logo_off = new Image();
  var arrow_logo_on = new Image();

  var links_off = new Image();
  var links_on = new Image();
}

function loadImages() {
  if (document.images) {
  why_off.src = "images/buttons3/why_off.gif";
  why_on.src = "images/buttons3/why_on.gif";

  patented_off.src = "images/buttons3/patented_off.gif";
  patented_on.src = "images/buttons3/patented_on.gif";

  resistance_off.src = "images/buttons3/resistance_off.gif";
  resistance_on.src = "images/buttons3/resistance_on.gif";

  seminar_off.src = "images/buttons3/seminar_off.gif";
  seminar_on.src = "images/buttons3/seminar_on.gif";

  faq_off.src = "images/buttons3/faq_off.gif";
  faq_on.src = "images/buttons3/faq_on.gif";

  arrow_logo_off.src = "images/buttons3/arrow_logo_off.gif";
  arrow_logo_on.src = "images/buttons3/arrow_logo_on.gif";

  links_off.src = "images/buttons3/links_off.gif";
  links_on.src = "images/buttons3/links_on.gif";
  }
}

function activate(imgName) {
  if (document.images) {
    if ( eval( imgName + "_on.complete") ) {
      document.images[imgName].src = eval(imgName +
"_on.src");
    }
  }
}
 
function deactivate(imgName) {
  if (document.images) {
    if ( eval(imgName + "_off.complete") ) {
      document.images[imgName].src = eval(imgName +
"_off.src");
    }
  }
}
function tmonitor(){
	var popwin= window.open('tmonitor.htm','Portable_Precision_Weld_Performance_Analyzer','scrollbars=1,resizable=1');
//window.open('tmonitor.htm','Portable_Precision_Weld_Performance_Analyzer','scrollbars=1,resizable=1');
	popwin.focus();
}
function l_picture(pict_var){
	pict_var2=  pict_var + ".htm" 
	//alert(v_tour2)
	if(pict_var=='tru_enlarge'){
	var popmodel= window.open(pict_var2,'Rebuil_Room','scrollbars=1,resizable=1');
}
else{	

		if (pict_var=='8100'){
		var popmodel= window.open(pict_var2,'8100','width=540,height=350,scrollbars=1,resizable=1');
	}
		else{var popmodel= window.open(pict_var2,'8160','width=540,height=470,scrollbars=1,resizable=1	');

	}
}
	popmodel.focus();
}