<!--
	function checkPlatform(lesNo){


	//array for Netscape 4.0 users

	winArray = new Array();
	winArray[1] = "les1/frame1.html";
	winArray[2] = "les2/frame2.html";
	winArray[3] = "les3/frame3.html";
	winArray[4] = "les4/frame4.html";
	winArray[5] = "les5/frame5.html";
	winArray[6] = "les6/frame6.html";
	winArray[7] = "les7/frame7.html";
	winArray[8] = "les8/frame8.html";
	winArray[9] = "les9/frame9.html";
	winArray[10] = "les10/frame10.html";
	winArray[11] = "les11/frame11.html";
	winArray[12] = "les12/frame12.html";
	winArray[13] = "les13/frame13.html";
	winArray[14] = "les14/frame14.html";
	winArray[15] = "les15/frame15.html";
	winArray[16] = "les16/frame16.html";



	/*
	if(navigator.appVersion.indexOf("4") != -1)
 	{*/
	parent.location = winArray[lesNo];
	/*}
	else {
		parent.location = "sorry.html";	
	}*/

}