//Preload navigation rollover images

	var myimages=new Array()
	function preloadimages(){
		for (i=0;i<preloadimages.arguments.length;i++){
			myimages[i]=new Image()
			myimages[i].src="./pics/"+preloadimages.arguments[i]+".jpg";
		}
	}
	preloadimages("nav1","nav2","nav3","nav4","nav5","nav1h","nav2h","nav3h","nav4h","nav5h");

	//simple rollover function

	function roll_over(img_name, img_src) {
	   document[img_name].src = "./pics/" + img_src + ".jpg";
	}

function select()	{
	var getindex = window.document.viewProperty.prop.value;
	location="properties.php?cat=" + getindex;
}

function openLink(num)	{
	window.open(num, "","width=800,height=700,resizable=1,scrollbars=yes,left=50,top=50");
}

function toggleMenu(currMenu)	{
	if(document.getElementById)	{
		thisMenu=document.getElementById(currMenu).style
		if (thisMenu.display=="block"){
			thisMenu.display="none"
		} else {
			thisMenu.display="block"
		}
		return false
	} else {
		return true
	}
}