function show(url){

    var h, w, x, y, par, temp;
    
    if (screen.height <= 480 || screen.width <= 640) {
        
			 alert("The resolution of your screen is low! Minimum require resolution of screen is 800x600.");

  		return;
    
    }
    
    
    if (screen.width <= 1024 || screen.height <= 768) {

      h = screen.availHeight-24;
		   
      w = screen.availWidth-10;
      
      par=",top=0,left=0,width="+w+",height="+h;
    
    } else {
    
      w=1024;
		   
      h=768;
      
      x = (screen.availWidth - w)/2;
      
      y = (screen.availHeight - h)/2;
      
      par=",top="+x+",left="+y+",width="+w+",height="+h;
      
    }
		   
		//temp=window.open(url,"Booker","scrollbars=yes,resizable=yes,location=no,status=no"+par);
	  temp=window.open(url,"Booker","scrolling=yes,resizable=yes,status=yes"+par);
}