function checkOperaVersion(){
	if(navigator.userAgent.indexOf("Opera")!=-1){
		var versionindex=navigator.userAgent.indexOf("Opera")+6
		if(parseInt(navigator.userAgent.charAt(versionindex))>=8){
			document.getElementById("watermark-image").style.backgroundImage='none';
			document.getElementById("watermark").style.display='none';
		}
	}
}
function twoColGetHeight(){
	var d=document;
	var box=new Array("page-content","local-nav-menu");
	for(x=0; x<box.length; x++){
		h=d.getElementById(box[x]).offsetHeight;
		for(y=0;y<box.length;y++){
			test_h=d.getElementById(box[y]).offsetHeight;
			if(h<test_h) h=test_h;
		}
	}
	var box=new Array("page-content-wide","local-nav-menu-bar");
	for(x=0;x<box.length;x++)d.getElementById(box[x]).style.height=h+20+"px";
}
function twoColImgGetHeight(){
	var d=document;
	var imageHeight=d.getElementById("index2ImageList").offsetHeight;
	var box=new Array("page-content","local-nav-menu");
	for(x=0; x<box.length; x++){
		h=d.getElementById(box[x]).offsetHeight;
		for(y=0;y<box.length;y++){
			test_h=d.getElementById(box[y]).offsetHeight;
			if(h<test_h) h=test_h;
		}
	}
	var box=new Array("page-content-wide","local-nav-menu-bar");
	for(x=0;x<box.length;x++)d.getElementById(box[x]).style.height=h+imageHeight+20+"px";
	d.getElementById("footer").top=h+imageHeight+20+"px";
}
function threeColGetHeight(){
	var d=document;
	var box=new Array("site-nav-menu","page-content","local-nav-menu");
	for(x=0;x<box.length;x++){
		h=d.getElementById(box[x]).offsetHeight;
		for(y=0;y<box.length;y++){
			test_h=d.getElementById(box[y]).offsetHeight;
		if(h<test_h)h=test_h;
		}
	}
	var box=new Array("site-nav-menu-bar-index","page-content-narrow-index","local-nav-menu-bar-index");
	for(x=0;x<box.length;x++)d.getElementById(box[x]).style.height=h+20+"px";
}
function threeColImgGetHeight(){
	var d=document;
	var box=new Array("site-nav-menu","page-content-all","local-nav-menu");
	for(x=0;x<box.length;x++){
		h=d.getElementById(box[x]).offsetHeight;
		for(y=0;y<box.length;y++){
			test_h=d.getElementById(box[y]).offsetHeight;
			if(h<test_h)h=test_h;
		}
	}
	var box=new Array("site-nav-menu-bar-index","page-content-narrow-index","local-nav-menu-bar-index");
	for(x=0;x<box.length;x++){
		if(box[x]=="page-content-narrow-index") {
			h=h+10;
		}
		d.getElementById(box[x]).style.height=h+"px";
	}
		
}
function threeColImgRightGetHeight(){
	var d=document;
	var imageHeight=d.getElementById("index2ImageList").offsetHeight;
	var box=new Array("site-nav-menu","page-content","local-nav-menu");
	for(x=0;x<box.length;x++){
		h=d.getElementById(box[x]).offsetHeight;
		for(y=0;y<box.length;y++){
			test_h=d.getElementById(box[y]).offsetHeight;
		if(h<test_h)h=test_h;
		}
	}
	var box=new Array("site-nav-menu-bar","page-content-narrow","local-nav-menu-bar");
	for(x=0;x<box.length;x++)d.getElementById(box[x]).style.height=h+imageHeight+20+"px";
	d.getElementById("footer").top=h+imageHeight+20+"px";
	d.getElementById("site-nav-menu-bar").style.height=h+imageHeight+20+"px";
}
function changeFontSize(x,cols,img){
	if(x==1){
		fs=fs*1.2;
	}
	else{
		fs=fs*0.9;
	}
	document.getElementById("page-content").style.fontSize=fs+"em";
	if(cols==3 & img==1){
		threeColImgGetHeight();
	}
	else if(cols==3 & img==0){
		threeColGetHeight();
	}
	else if(cols==3 & img==2){
		threeColImgRightGetHeight();
	}
	else if(cols==2 & img==1){
		twoColImgGetHeight();
	}
	else if(cols==2 & img==0){
		twoColGetHeight();
	}
}

function checkNullSearch(){
	if(document.forms[0].words.value==""){
		return false;
	}
	else{
		document.forms[0].submit();
	}
}