fn_onLoad = function() {
   showdiv('layer1', 'layer2', 'layer3', 'layer4');
   if (document.all&&document.getElementById) {
   navRoot = document.getElementById("menu");
   for (i=0; i<navRoot.childNodes.length; i++) {
   node = navRoot.childNodes[i];
   if (node.nodeName=="LI") { 
     node.onmouseover=function() { this.className+=" ie6";}
     node.onmouseout=function() { this.className=this.className.replace(" ie6", "");
   }}}}}
 window.onload=fn_onLoad;
 
function showChildCruises(id)
 {
 	block = document.getElementById(id);
 	link = document.getElementById('all_day_link_'+id);
 	if (block.style.display == "block")
 	{
 		block.style.display="none";
 		link.innerHTML = 'Показать все даты куризы';
 	}
 	else
 	{
 		block.style.display="block";
 		link.innerHTML = 'Скрыть даты круиза';
 	}
 };
 
 function getSize()
 {
 	var elem = document.getElementById('body');
 	var height = elem.scrollHeight;
 	alert(height);
 }
 
 function reSize()
 {
    ifrm = document.getElementById("ifrm");
 	oBody	=	document.body;
 	oFrame	=	document.all("ifrm");
 		
 	oFrame.style.height = oBody.scrollHeight + (oBody.offsetHeight - oBody.clientHeight);
 	oFrame.style.width = oBody.scrollWidth + (oBody.offsetWidth - oBody.clientWidth);

 }
 function showdiv(argshow, arghide1, arghide2, arghide3)
{
	obj1 = document.getElementById(argshow);
	obj2 = document.getElementById(arghide1);
	obj3 = document.getElementById(arghide2);
	obj4 = document.getElementById(arghide3);

	
	lnk1 = document.getElementById("link1");
	lnk2 = document.getElementById("link2");
	lnk3 = document.getElementById("link3");
	lnk4 = document.getElementById("link4");



	if (obj1) {obj1.style.display="block";};
	if (obj2) {obj2.style.display="none";};
	if (obj3) {obj3.style.display="none";};
	if (obj4) {obj4.style.display="none";};

	
	if (argshow == "layer1")
	{
		if (lnk1) {lnk1.className = "active_link";};
		if (lnk2) {lnk2.className = "";};
		if (lnk3) {lnk3.className = "";};
		if (lnk4) {lnk4.className = "";};
	}
	
	if (argshow == "layer2")
	{
		if (lnk1) {lnk1.className = "";};
		if (lnk2) {lnk2.className = "active_link";};
		if (lnk3) {lnk3.className = "";};
		if (lnk4) {lnk4.className = "";};
	}
	
	if (argshow == "layer3")
	{
		if (lnk1) {lnk1.className = "";};
		if (lnk2) {lnk2.className = "";};
		if (lnk3) {lnk3.className = "active_link";};
		if (lnk4) {lnk4.className = "";};
	}
	
	if (argshow == "layer4")
	{
		if (lnk1) {lnk1.className = "";};
		if (lnk2) {lnk2.className = "";};
		if (lnk3) {lnk3.className = "";};
		if (lnk4) {lnk4.className = "active_link";};
	}
	
}