// 公用Js函数放在这里
function myAddBookmark(title,url) 
{ 
    if ((typeof window.sidebar == 'object') && (typeof window.sidebar.addPanel == 'function'))//Gecko 
    { 
        window.sidebar.addPanel(title,url,""); 
    } 
    else//IE 
    { 
        window.external.AddFavorite(url,title); 
    } 
} 
//_obj 显示分类的控件,_value1选项的显示值,_value2选项的value值
function addClass(_obj,_value1,_value2){
	var obj=eval("document."+_obj);
	//alert(typeof(obj));
	obj.options[obj.options.length]=new Option(_value1,_value2);	
	
}

function selectClass(_obj,_value2)
{
	var obj=eval("document."+_obj);
	for (var i = 0; i < obj.options.length; i++) {        
		if (obj.options[i].value == _value2) {        
			obj.options[i].selected = true;  
			break;        
		}  
	}
}


function chkfocusValue()
{
	var obj=document.getElementById("keyword");		
	if(obj.value==obj.defaultValue) {obj.value='';}
}

function chkblurValue()
{
	var obj=document.getElementById("keyword");
	if(obj.value=='') {obj.value=obj.defaultValue;}
}
function chkSubmit()
{
	var obj=document.searchMenu;
	if(obj.keyword.value.length<2 || obj.keyword.value==obj.keyword.defaultValue) {
		obj.keyword.focus();
		alert("Pls input a keyword to search");
		return false;
	}
	else
		{
			if(obj.bid.value!='')
			obj.action=obj.action+obj.action+".asp?bid="+obj.bid.value;	
			obj.submit();
			return false;
		}
}
function toSearch(k)
{
	var f=document.searchMenu;
	f.keyword.value=k;
	f.target="_blank";
	if(f.bid.value!='')
		f.action=f.action+f.action+".asp?bid="+f.bid.value;	
	f.submit();
}


//图片等比缩放
function pic_reset(drawImage,thumbs_size) {    
    var max = thumbs_size.split(',');    
    var fixwidth = max[0];    
    var fixheight = max[1];  
    var w=drawImage.width;
    var h=drawImage.height;    
    if(w>fixwidth) { drawImage.width=fixwidth;drawImage.height=h/(w/fixwidth);}    
    if(h>fixheight) { drawImage.height=fixheight;drawImage.width=w/(h/fixheight);}          
   // drawImage.style.cursor= "pointer";    
//    drawImage.onclick = function() { window.open(this.src);}    
//    drawImage.title = "点击查看原始图片";  
}