function ClearSearch() {
	try {
		var element = window.document.getElementById('SearchKeywords');
		if(element.value=='Search'){
			element.value='';
		}else{}
	} catch(e) {}
}

function WriteSearch() {
	try {
		var element = window.document.getElementById('SearchKeywords');
		if(element.value==''){
			element.value='Search';
		}else{}
	} catch(e) {}
}


ReplaceSearch = function() {
	try {
		var elements = window.document.getElementById('SearchKeywords');
		if(window.addEventListener){	
			elements.addEventListener('focus', ClearSearch, true);
			elements.addEventListener('blur', WriteSearch, true);	
		}else{
			elements.attachEvent("onfocus",ClearSearch);
			elements.attachEvent("onblur",WriteSearch);
		}
	} catch(e) {}
}



function CenterBox() {
	try {
		CenterBoxHorizontal('NavBG');
		CenterBoxHorizontal('NavWrapper');
	} catch(e) {}
}




CenterBoxHorizontal = function(elementID) {
	try{
		var element = document.getElementById(elementID);
		var windowSize = document.documentElement.clientWidth;
		var newMargin = (windowSize - 750)  / 2;
		if(newMargin > 0){
			element.style.marginLeft = newMargin + 'px';
			element.style.display = 'block';
			//alert(element.style.marginLeft);
		}
	}catch(e){}
}



if(window.addEventListener) { // gecko, safari, konqueror and standard
	window.addEventListener('load', ReplaceSearch, false);
	//window.addEventListener('load', CenterBox, false);
} else if(document.addEventListener) { // opera 7
	document.addEventListener('load', ReplaceSearch, false);
	//document.addEventListener('load', CenterBox, false);
} else if(window.attachEvent) { // win/ie
	window.attachEvent('onload', ReplaceSearch);
	//window.attachEvent('onload', CenterBox);
} else { // mac/ie5
	if(typeof window.onload == 'function') {
		var existing = onload;
		window.onload = function() {
			existing();
			ReplaceSearch();
			//CenterBox();
		}
	} else {
		window.onload = function() {
			ReplaceSearch();
			//CenterBox();
		}
	}
}


if(window.addEventListener) window.addEventListener('resize', CenterBox, false); // gecko, safari, konqueror and standard
else if(document.addEventListener) document.addEventListener('resize', CenterBox, false); // opera 7
else if(window.attachEvent) { // win/ie
	window.attachEvent('onresize', CenterBox);
} else { // mac/ie5
	if(typeof window.onresize == 'function') {
		var existing = onresize;
		window.onresize = function() {
			existing();
			CenterBox();
		}
	} else {
		window.onresize = function() {
			CenterBox();
		}
	}
}