/*globals data, bereiche, jahre */

var gross_bild_angezeigt=0;

function set_visible(id){document.getElementById(id).style.visibility='visible';}
function set_hidden(id){document.getElementById(id).style.visibility='hidden';}
function get_width(id){return(document.getElementById(id).offsetWidth);}
function get_height(id){return(document.getElementById(id).offsetHeight);}
function set_width(id,x){document.getElementById(id).style.width=x+"px";}
function set_height(id,y){document.getElementById(id).style.height=y+"px";}
function get_display_block(id){if(document.getElementById(id).style.display=='block'){ return 1;} else {return 0;}}
function set_display_block(id){document.getElementById(id).style.display='block';}
function set_display_none(id){document.getElementById(id).style.display='none';}
function set_image_src(id,source){document.getElementById(id).src=source;}
function fensterbreite(){if(window.innerWidth){return window.innerWidth;}else if(document.body.offsetWidth){return document.body.offsetWidth;}else{return 0;}}
function fensterhoehe(){if(window.innerHeight){return window.innerHeight;}else if(document.body.offsetHeight){return document.body.offsetHeight;}else{return 0;}}
function set_opacity(id,opacity){document.getElementById(id).style.filter="progid:DXImageTransform.Microsoft.Alpha(opacity="+opacity+")";document.getElementById(id).style.MozOpacity=opacity/100;document.getElementById(id).style.opacity=opacity/100;}


function bild_anzeigen(a)
{
	if(gross_bild_angezeigt===0)
	{
		var c=(a.attributes["src"].nodeValue);
		c=c.replace(/klein/, "gross");
		set_image_src("bild_gross",c);
		set_display_block("bild_anzeige");
		gross_bild_angezeigt=1;
	}
	else
	{
		set_image_src("bild_gross","spacer.gif");
		set_display_none("bild_anzeige");
		gross_bild_angezeigt=0;
	}
}

function anzeigen(a)
{
	if(a===0)
	{
		set_display_none("bereiche");
	}
	else
	{
		set_display_block("bereiche");
	}
}


function setup()
{
	if(get_height("content")<get_height("marginal_c"))
	{
		set_height("content",get_height("marginal_c")+150);
	}
}

window.onload=setup;