function createXmlHttp(){
	var request=null;
	if (window.XMLHttpRequest){
		request=new XMLHttpRequest();
	}
	else if (typeof ActiveXObject != undefined){
		request=new ActiveXObject('Microsoft.XMLHTTP');
	}
	return request;
}

function loadContent(url, params, DOM_element){

	var ajaxRequest = createXmlHttp();

	if (ajaxRequest) {
		ajaxRequest.open("POST", url, true);
		ajaxRequest.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
		ajaxRequest.setRequestHeader("Content-length", params.length);
		ajaxRequest.setRequestHeader("Connection", "close");
		ajaxRequest.onreadystatechange=function loadAjaxData() {
																		if (ajaxRequest.readyState != 4) { return; }
																		document.getElementById(DOM_element).innerHTML=ajaxRequest.responseText;
                                    if(DOM_element.indexOf('new_exp_item')>=0){
																		  var exp_item=document.getElementById(DOM_element);
                                      exp_item.id='';
                                      if(DOM_element=='new_exp_item'){
                                        if(exp_item.parentNode.style.left.replace('px', '')==''){
                                          exp_item.parentNode.style.left='-200px';
                                        }else{
                                          exp_item.parentNode.style.left=parseInt(exp_item.parentNode.style.left.replace('px', ''))-200+'px';
                                        }
                                      }
                                      opa_bg_height('expeditons_preview_holder');
                                      opa_bg_height('napiadab_preview_holder');
                                    }
																	}
	  ajaxRequest.send(params);
	}
}