function changeDisplay(div_id,if_,then_)
{
 var elem=document.getElementById(div_id);
 if (elem)
 { if (elem.style.display==if_) {elem.style.display=then_;}}
} 
function open_sub(SM_SHORT)
{

	if (akt_sub!=SM_SHORT) {
		 changeDisplay(akt_sub,'block','none');
		 changeDisplay(SM_SHORT,'none','block');
		 akt_sub=SM_SHORT;			   
	}

}
function getAdr(prefix,postfix,lnkparam,lnktxt)
{
  lnktxt=lnktxt.replace(/TMPL_MAIL/,prefix+'@'+postfix);
 document.write('<a '+lnkparam+' href="mailto:'+prefix+'@'+postfix+'">'+lnktxt);
}


function checkSize()
{ 
	element = document.getElementById("spruchstartseite");

	if (element) {

		if (document.body.offsetWidth < 810) {
			//800x600

			element.style.fontSize="30px";
		} else if (document.body.offsetWidth > 810 && document.body.offsetWidth < 1050) {
			//1024x768

			element.style.fontSize="42px";						
		} else if (document.body.offsetWidth >= 1050 && document.body.offsetWidth < 1280) {
			//1152x864		
			element.style.fontSize="48px";				

		} else if (document.body.offsetWidth >= 1280) {
			//1280x768		

			element.style.fontSize="55px";				
		}	
	}
}