function clearifdefault (input,defaultval) {
	if (input.value == defaultval){
		input.value = ''
	}
}

function defaultifclear (input,defaultval) {
	if (input.value == ''){
		input.value = defaultval
	}
}

stuHover = function() {
	var cssRule;
	var newSelector;
	for (var i = 0; i < document.styleSheets.length; i++)
		for (var x = 0; x < document.styleSheets[i].rules.length ; x++)
			{
			cssRule = document.styleSheets[i].rules[x];
			if (cssRule.selectorText.indexOf("LI:hover") >= 0)
			{
				 newSelector = cssRule.selectorText.replace(/LI:hover/gi, "LI.iehover");
				document.styleSheets[i].addRule(newSelector , cssRule.style.cssText);
			}
		}
	var getElm = document.getElementById("nav").getElementsByTagName("LI");
	for (var i=0; i<getElm.length; i++) {
		getElm[i].onmouseover=function() {
			this.className+=" iehover";
		}
		getElm[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" iehover\\b"), "");
		}
	}
}

if (window.attachEvent) window.attachEvent("onload", stuHover);


function showhide(id, img) {
          if (document.getElementById(id).style.display=="none") {
          	document.getElementById(img).src="/_common/triangle-down.jpg";
           	document.getElementById(id).style.display="block";
          } else {
        	document.getElementById(img).src="/_common/triangle-right.jpg";
		document.getElementById(id).style.display="none"; 
         }
            
}

function toggle(id) {
          if (document.getElementById(id).style.display=="none") {
             	document.getElementById(id).style.display="block";
          } else {
        	document.getElementById(id).style.display="none"; 
         }
            
}