try {
  document.execCommand("BackgroundImageCache", false, true);
} catch(err) {}

/** 
 * Remove Standard Value from Search Input
 * @param {Object} elm
 */
function clearSearch(elm, stringVal) {
	if (elm.value == stringVal) {
		elm.value = '';
	}
}

/** 
 * Write back Standard Value for Search Input if no Value is given
 * @param {Object} elm
 */
function fillSearch(elm, stringVal) {
	if (elm.value == '') {
		elm.value = stringVal;
	}
}

/** 
 * Hover Function for Submenu: Changes Icon on left.
 * @param {Object} elm
 * @param {String} sState
 */
function smenHover(elm, sState, sLevel) {
	var sMyLevel = sLevel ? sLevel : '2';
	if (!sState) {
		if (sMyLevel != '3') {
			elm.style.background = "url(http://www.solarmillennium.de/images/icon_hauptnavi_"+sMyLevel+"ebene_aktiv.gif) no-repeat";
			elm.style.backgroundPosition = '5px 7px';
		}
	} else {
		var sIcon = 'http://www.solarmillennium.de/images/icon_hauptnavi_' + sMyLevel + 'ebene.gif';
		var sIconActive = 'http://www.solarmillennium.de/images/icon_hauptnavi_' + sMyLevel + 'ebene_aktiv.gif';
		if (elm.className != 'sub') {
			if (elm.className != 'active' && elm.className != 'sub active' && elm.className != 'sub active2') {
				if (sMyLevel != '3') {
					elm.style.background = "url("+sIcon+") no-repeat";
				}
			} else {
				if (sMyLevel != '3') {
					elm.style.background = "url("+sIconActive+") no-repeat";
				}
			}
			elm.style.backgroundPosition = '5px 7px';
		} else {
			elm.style.background = 'none';
		}
	}
}

/** 
 * Hover Function for Mainmenu: Changes Icon on left.
 * @param {Object} elm
 * @param {String} sState
 */
function mmenHover(elm, sState) {
	if (!sState) {
		elm.style.background = "url(http://www.solarmillennium.de/images/icon_hauptnavi_1ebene_aktiv.gif) no-repeat";
		elm.style.backgroundPosition = '5px 5px';
	} else {
		elm.style.background = "url(http://www.solarmillennium.de/images/icon_hauptnavi_1ebene.gif) no-repeat";
		elm.style.backgroundPosition = '5px 5px';
	}
}

/** 
 * Hover Function for Mainmenu: Changes Icon on left.
 * @param {Object} elm
 * @param {String} sState
 */
function metamenHover(elm, sType, sState) {
	var myItem = document.getElementById(elm);
	if (myItem) {
		if (!sState) {
			if (sType == 1) {
				myItem.src = 'http://www.solarmillennium.de/images/icon_sprachwahl_aktiv.gif';
			} else {
				myItem.src = 'http://www.solarmillennium.de/images/icon_servicenavi_aktiv.gif';
			}
		} else {
			if (sType == 1) {
				myItem.src = 'http://www.solarmillennium.de/images/icon_sprachwahl.gif';
			} else {
				myItem.src = 'http://www.solarmillennium.de/images/icon_servicenavi.gif';
			}
		}
	}
}

/** 
 * Changes stylesheets to use
 * @see http://www.alistapart.com/stories/alternate/
 */

/*
function setActiveStyleSheet(title) {
	var i, a, main;
	for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
		if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
			a.disabled = true;
			if(a.getAttribute("title") == title || a.getAttribute("title") == 'default') {
				a.disabled = false;
			}
		}
	}
}

function getPreferredStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1
       && a.getAttribute("rel").indexOf("alt") == -1
       && a.getAttribute("title")
       ) return a.getAttribute("title");
  }
  return null;
}

function getActiveStyleSheet() {
	var i, a;
	for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
		if(a.getAttribute("rel").indexOf("style") != -1
			&& a.getAttribute("title")
			&& !a.disabled 
			&& a.getAttribute("title") != 'default') {
				return a.getAttribute("title");
			}
	}
	return null;
}
*/

window.onload = function(e) {
	var cookie = readCookie("fontsize");
	var fontsize = cookie ? cookie : '11px';
	var fontsizeH1 = parseInt(fontsize.replace("px","")) + 3;
	var h1 = document.getElementsByTagName('h1');
	document.getElementById('mainContent').style.fontSize = fontsize;
	if (h1 && h1[0]) {
		fontsizeH1 = fontsizeH1 + 'px';
		h1[0].style.fontSize = fontsizeH1;
	}
	document.getElementById('footer').style.fontSize = '11px';
}
window.onunload = function(e) {
	var fontsize = document.getElementById('mainContent').style.fontSize;
	createCookie("fontsize", fontsize, 365);
}



/** 
 * Cookie handling
 * @see http://www.quirksmode.org/js/cookies.html
 */
function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}




/** 
 * Function to set fontsite in content-container 1px up or 1px down
 * @param {string} direction
 * @return void
 */
function changeFontSize(direction) {
	var contentContainer = document.getElementById('mainContent');
	var footerContainer = document.getElementById('footer');
	var firstH1 = contentContainer.getElementsByTagName('h1');
	var defaultSize = '11px';
	var currentSize = contentContainer.style.fontSize;
	if (currentSize == '' || currentSize == undefined) {
		currentSize = defaultSize;
	}
	// calculate new size
	var newSize = parseInt(currentSize.replace("px",""));
	var newSizeH1 = newSize + 3;
	if (direction == 'up') {
		newSize += 2;
		newSizeH1 += 2;
	} else {
		newSize -= 2;
		newSizeH1 -= 2;
	}
	newSize = newSize + 'px';
	newSizeH1 = newSizeH1 + 'px';
	// set new size
	contentContainer.style.fontSize = newSize;
	footerContainer.style.fontSize = defaultSize;
	if (firstH1 && firstH1[0]) {
		firstH1[0].style.fontSize = newSizeH1;
	}
}

function pop(url, name) {
var myurl = unescape(url);
window.open(myurl, name);
}