var y=0;
var x=0;
var xmlHttp;
var	contentUrl="content.aspx";


if (document.all) {
	reflager = 'all("';
	refslut = '").style';
	refsize = '").style.height';
	visa = 'visible';
	gom = 'hidden';
} else if (document.layers) {
	reflager = "layers['";
	refslut = "']";
	refsize = "'].clip.bottom"
	visa = 'show';
	gom = 'hide';
} else if (document.getElementById) {
	 reflager = "getElementById('";
     refslut = "').style";
     refsize = "').style.height"
     visa = 'visible';
     gom = 'hidden';
}

// browse-check

var browser = navigator.appName;
var os      = navigator.userAgent.search(/Windows/i)!= -1;  // true == win
if(navigator.userAgent.search(/MSIE/i)!= -1){
    browser = "ie";
}else if(navigator.userAgent.search(/firefox/i)!= -1){
    browser = "firefox";
}else{
    browser = "na";
}

function d(lager) {
	eval('document.'+reflager+lager+refslut+'.visibility = "'+gom+'"');
}

function v(lager) {
	eval('document.'+reflager+lager+refslut+'.visibility = "'+visa+'"');
}


function getsize(lager){
    if (document.all){return document.all[lager].clientHeight;}
    if(document.layers){return document.layers[lager].document.height;}
    if(document.getElementById){return document.getElementById(lager).offsetHeight;}
}

function getWidth(lager){
    if (document.all){return document.all[lager].clientWidth;}
    if(document.layers){return document.layers[lager].document.width;}
    if(document.getElementById){return document.getElementById(lager).offsetWidth;}
}

function getHeight(lager){
        if (document.all) return document.all[lager].clientHeight;
        if(document.layers) return document.layers[lager].clip.height;
        if(document.getElementById){return document.getElementById(lager).offsetHeight;}
}

function bytbild(bildNamn, bildSrc){
 if(ameny!=bildNamn && smeny!=bildNamn){
	eval('document.'+bildNamn+'.src = bildSrc');
 }
}


function empty(obj,teststring){
	if(obj.value==teststring){
			obj.value='';
	}
}

function resetText(obj,teststring){
	if(obj.value==''){
			obj.value=teststring;
	}
}

function checkEmail(email){
	var regexpemail =/^[a-zA-Z0-9\-\.\_]+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,4}|[0-9]{1,4})(\]?)$/;
	return regexpemail.test(email);
}

function checkDrops(dropobj){
    var d1 = document.getElementById("refselect");
    var d2 = document.getElementById("refselect2");
    if((dropobj.id=="refselect" && d1.selectedIndex>0) && d2.selectedIndex>0){
        d2.selectedIndex=0;
    }else if((dropobj.id=="refselect2" && d2.selectedIndex>0) && d1.selectedIndex>0){
        d1.selectedIndex=0;
    }
}