// JavaScript Document

if (document.images) {
 arrow = new Image(); arrow.src = "images/xenical_grad_arrow.gif"; 
 space = new Image(); space.src = "images/space.gif"; 
 ch2 = new Image(); ch2.src = "images/xenical_grad_c2.gif"; 
 ch3 = new Image(); ch3.src = "images/xenical_grad_c3.gif"; 
 ch4 = new Image(); ch4.src = "images/xenical_grad_c4.gif"; 
 ch5 = new Image(); ch5.src = "images/xenical_grad_c5.gif"; 
}
function setImg(ImgName,ImgSet) { if (document.images) { document.images[ImgName].src = eval(ImgSet + ".src"); } }
function ChangeContent(ObjID,HTMLtext) {
  	var element = document.getElementById(ObjID);
  	element.innerHTML = HTMLtext;

}
function ChangeBGColor(ObjID,color) { 

 	var element = document.getElementById(ObjID);
  	element.style.backgroundColor=color;
}
function xenical() {
 if (document.xenical_form.vis.options[document.xenical_form.vis.selectedIndex].value * document.xenical_form.teg.options[document.xenical_form.teg.selectedIndex].value != 0) {
  rate = ((document.xenical_form.teg.options[document.xenical_form.teg.selectedIndex].value)/(document.xenical_form.vis.options[document.xenical_form.vis.selectedIndex].value*document.xenical_form.vis.options[document.xenical_form.vis.selectedIndex].value)*10000);
  //if ((rate>40)) { setImg('xen1','arrow') } else { setImg('xen1','space') }
  if ((rate>30)) { setImg('xen2','arrow'); ChangeContent('savet','Не губете време! Има начин - <A HREF="http://www.otslabvane.com/index.php?page=xenical" target="_blank" class="link">Otslabvane.com</A><BR>При <B>ИТМ</B>>30 имате затлъстяване'); ChangeBGColor('savet','#EFAD21'); } else { setImg('xen2','space') }
  if ((rate>25) && (rate<=30)) { setImg('xen3','arrow'); ChangeContent('savet','Свалете няколко килограма, <A HREF="http://www.otslabvane.com/index.php?page=xenical" target="_blank" class="link">спечелете жизненост</A> <BR>При 25<<B>ИТМ</B><U><</U>30 имате наднормено тегло'); ChangeBGColor('savet','#C6CE52'); } else { setImg('xen3','space') }
  if ((rate>18.5) && (rate<=25)) { setImg('xen4','arrow'); ChangeContent('savet','Браво! Продължавайте така!<BR>При 18.5<<B>ИТМ</B><U><</U>25 сте в нормални граници'); ChangeBGColor('savet','#7BC684'); } else { setImg('xen4','space') }
  if ((rate<=18.5)) { setImg('xen5','arrow'); ChangeContent('savet','Може би прекалявате с диетите:)<BR>При <<B>ИТМ</B><U><</U>18.5 имате ниско тегло'); ChangeBGColor('savet','#9CB5D6'); } else { setImg('xen5','space') }
  document.xenical_form.itm.value = parseInt(rate*1000)/1000;
 } else {
  //setImg('xen1','space');
  setImg('xen2','space');
  setImg('xen3','space');
  setImg('xen4','space');
  setImg('xen5','space');
  ChangeContent('savet',''); ChangeBGColor('savet','#FFFFFF');
  document.xenical_form.itm.value = '';
 }
}