function runDemo() {
	
	// checking for screen resolution and defining
	// variables for future use that will hold our width and height
	w = screen.width;
	h = screen.height;
	// setting up our constants - the DEMO size
	ww = 763;
	wh = 555;
	// setting up two more variables wich will hold top/left location
	// of the top/left window's corner
	edTop = ((h-wh)/2);
	edLeft = ((w-ww)/2);

	//	checking if user have resolution greater then the DEMO's window size
	if (w<800) {
		//	if so, we are going to ask him to change it
		alert("You need 800x600 screen resolution \r in order to launch the demo");
		} 
	else {
			// otherwise we'll open a window he asked
			//alert("ops");	// for debug purposes only
			//	defining all neccessary parameters of the popup window
			var edWinFeatures = 'width='+ww+',height='+wh+',scrollbars=no,resizable=no,toolbar=no,location=no,menubar=no,status=no,screenX=0,screenY=0,top='+edTop+',left='+edLeft+'';
			//	making an execution
			var demoWin = window.open('guided_tour/intro.html', 'iDEXdEMO', edWinFeatures);
			//	setting a focus to the recently opened window
      demoWin.focus();
	}
	//	that's all folk's (c) Merry Melodies
}

function doRegister() {
	
	opener.document.location = "../register.asp";
	window.close();
}



function doContact() {
	//alert("function call");
	opener.document.location = "../contact.asp";
	window.close();
}