function submitSearch(frm){
	var temp = document.URL;
	var arr = temp.split("?");
	var newurl = arr[0];
	temp = arr[1];
	if(temp == null){
		temp = "?sdg_search=" + frm.sdg_search.value + "&sdg_searchfield=" + frm.sdg_searchfield.value;
	}else{
		if((pos = temp.indexOf("page")) != -1){
			var endParam = temp.indexOf("&",pos);
			
			if(pos==0)temp = temp.substring(endParam,temp.length);
			else if(endParam == -1)temp = temp.substring(0,pos-1);
			else temp = temp.substring(0,pos-1)  + temp.substring(endParam,temp.length);			
		}
		if((pos = temp.indexOf("rec")) != -1){
			var endParam = temp.indexOf("&",pos);
			
			if(pos==0)temp = temp.substring(endParam,temp.length);
			else if(endParam == -1)temp = temp.substring(0,pos-1);
			else temp = temp.substring(0,pos-1)  + temp.substring(endParam,temp.length);
			
		}
		
		
		if((pos = temp.indexOf("sdg_search")) != -1){
			var endParam = temp.indexOf("&",pos);
			
			if(pos==0)temp = "sdg_search=" + frm.sdg_search.value + temp.substring(endParam,temp.length);
			else if(endParam == -1)temp = temp.substring(0,pos-1) + "&sdg_search=" + frm.sdg_search.value;
			else temp = temp.substring(0,pos-1) + "&sdg_search=" + frm.sdg_search.value + temp.substring(endParam,temp.length);
			
		}else{
			temp = temp + "&sdg_search=" + frm.sdg_search.value;
		}
		
		if((pos = temp.indexOf("sdg_searchfield")) != -1){
			var endParam = temp.indexOf("&",pos);
			
			if(pos==0)temp = "sdg_searchfield=" + frm.sdg_searchfield.value + temp.substring(endParam,temp.length);
			else if(endParam == -1)temp = temp.substring(0,pos-1) + "&sdg_searchfield=" + frm.sdg_searchfield.value;
			else temp = temp.substring(0,pos-1) + "&sdg_searchfield=" + frm.sdg_searchfield.value + temp.substring(endParam,temp.length);
			
		}else{
			temp = temp + "&sdg_searchfield=" + frm.sdg_searchfield.value;
		}
		temp = "?" + temp;
	}
	window.location = arr[0] + temp;
	return false;
}

function textEnter(e,frm)
{
var keynum
var keychar
var numcheck

if(window.event) // IE
{
keynum = e.keyCode
}
else if(e.which) // Netscape/Firefox/Opera
{
keynum = e.which
}
if(keynum == 13){
submitSearch(frm);
}

}

function showAll(frm){
frm.sdg_search.value = "";
submitSearch(frm);
}